Works (76)
Updated: December 16th, 2024 13:55
2024 article
A new semi-fossorial thescelosaurine dinosaur from the Cenomanian-age Mussentuchit Member of the Cedar Mountain Formation, Utah
Avrahami, H. M., Makovicky, P. J., Tucker, R. T., & Zanno, L. E. (2024, July 9). ANATOMICAL RECORD-ADVANCES IN INTEGRATIVE ANATOMY AND EVOLUTIONARY BIOLOGY, Vol. 7.
author keywords: Cretaceous; Dinosaur; Fossorial; Ornithischian; Thescelosaurine
open access via onlinelibrary.wiley.com (publisher PDF)
Sources: Web Of Science, NC State University Libraries
Added: September 3, 2024
2024 journal article
Skull sinuses precluded extinct crocodile relatives from cetacean-style deep diving as they transitioned from land to sea
ROYAL SOCIETY OPEN SCIENCE, 11(10).
author keywords: Mesozoic; multivariate analyses; morphospace; convergence; sinuses; macroevolution; marine tetrapods
UN Sustainable Development Goal Categories
14. Life Below Water
(OpenAlex)
Sources: ORCID, Web Of Science, NC State University Libraries
Added: October 30, 2024
2024 article
Tectono-sedimentary history of the upper Cedar Mountain Formation, Central Utah, USA
Tucker, R. T., King, M. R., Mohr, M. T., Renaut, R. K., Crowley, J. L., Fekete, J. W., … Zanno, L. E. (2024, July 1). SEDIMENTOLOGY, Vol. 7.
author keywords: Pb-206/U-238 Geochronology; Cenomanian; Cretaceous; Mussentuchit Member; Sevier fold-and-thrust belt; Short Canyon Member
UN Sustainable Development Goal Categories
13. Climate Action
(Web of Science)
14. Life Below Water
(OpenAlex)
Sources: Web Of Science, NC State University Libraries
Added: July 17, 2024
2023 journal article
An early-diverging iguanodontian (Dinosauria: Rhabdodontomorpha) from the Late Cretaceous of North America
PLOS ONE, 18(6).
Ed(s): J. Liu
MeSH headings : Animals; Phylogeny; Fossils; Bayes Theorem; Ecosystem; Skull / anatomy & histology; North America; Dinosaurs / anatomy & histology; Cheek
UN Sustainable Development Goal Categories
15. Life on Land
(Web of Science)
Sources: ORCID, Web Of Science, NC State University Libraries
Added: June 8, 2023
2023 journal article
Exceptional age constraint on a fossiliferous sedimentary succession preceding the Cretaceous Thermal Maximum
GEOLOGY, 51(10), 962–967.
UN Sustainable Development Goal Categories
15. Life on Land
(Web of Science)
Sources: Web Of Science, NC State University Libraries, ORCID
Added: February 12, 2024
2023 journal article
Independent Evidence for the Preservation of Endogenous Bone Biochemistry in a Specimen of Tyrannosaurus rex
BIOLOGY-BASEL, 12(2).
author keywords: synchrotron; bone remodeling; elemental analysis; molecular paleontology; diagenetic alteration
TL;DR:
It is shown that trace elements incorporated by the living animal during bone deposition and remodeling, such as zinc, are preserved in the fossil bone in a pattern similar to what is seen in modern bird bones, which further support the preservation of original biological material in this T. rex.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
15. Life on Land
(Web of Science)
Sources: Web Of Science, NC State University Libraries
Added: March 27, 2023
2023 journal article
Neuroanatomy of the late Cretaceous <i>Thescelosaurus neglectus</i> (Neornithischia: Thescelosauridae) reveals novel ecological specialisations within Dinosauria
SCIENTIFIC REPORTS, 13(1).
TL;DR:
3D digital reconstruction of the endocranial spaces of the latest Cretaceous neornithischian Thescelosaurus neglectus is presented, providing the first evidence of neurological specializations to burrowing identified within Ornithischia, and non-avian dinosaurs more generally, expanding the range of ecological adaptations recognized within this major clade.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
15. Life on Land
(Web of Science)
Sources: Web Of Science, NC State University Libraries
Added: January 16, 2024
2023 journal article
Timing of the Greenhorn transgression and OAE2 in Central Utah using CA-TIMS U-Pb zircon dating
CRETACEOUS RESEARCH, 146.
author keywords: TT1; TT4; Ash Fall; Naturita Sandstone; Tununk Shale; CA-TIMS
UN Sustainable Development Goal Categories
13. Climate Action
(Web of Science)
14. Life Below Water
(Web of Science; OpenAlex)
Sources: Web Of Science, NC State University Libraries
Added: April 11, 2023
2022 article
A partial tyrannosauroid femur from the mid-Cretaceous Wayan Formation of eastern Idaho, USA
Krumenacker, L. J., Zanno, L. E., & Sues, H.-D. (2022, June 8). JOURNAL OF PALEONTOLOGY, Vol. 6.
UN Sustainable Development Goal Categories
15. Life on Land
(Web of Science)
Sources: Web Of Science, NC State University Libraries
Added: June 13, 2022
2022 journal article
Age, depositional history, and paleoclimatic setting of Early Cretaceous dinosaur assemblages from the Sao Khua Formation (Khorat Group), Thailand
PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY, 601.
author keywords: Cretaceous; U; Pb geochronology; Paleosols; Khorat Basin; Southeast Asia
UN Sustainable Development Goal Categories
15. Life on Land
(Web of Science)
Sources: Web Of Science, NC State University Libraries
Added: July 11, 2022
2022 article
Chronic fracture and osteomyelitis in a large-bodied ornithomimosaur with implications for the identification of unusual endosteal bone in the fossil record
Chinzorig, T., Beguesse, K. A., Canoville, A., Phillips, G., & Zanno, L. E. (2022, October 4). ANATOMICAL RECORD-ADVANCES IN INTEGRATIVE ANATOMY AND EVOLUTIONARY BIOLOGY, Vol. 10.
author keywords: dinosaur; fracture; infection; medullary bone; theropod
MeSH headings : Animals; Fossils; Bone and Bones; Fractures, Bone / diagnostic imaging; X-Ray Microtomography; Osteomyelitis / diagnostic imaging
TL;DR:
The external gross morphology and internal architecture of a pathologic right second metatarsal of a large‐bodied ornithomimid from the Santonian (Upper Cretaceous) Eutaw Formation in Mississippi is described, interpreted as evidence of blunt force trauma to the foot that could have resulted from intra‐ or interspecific competition or predator–prey interaction.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
14. Life Below Water
(OpenAlex)
15. Life on Land
(Web of Science)
Sources: ORCID, Web Of Science, NC State University Libraries
Added: October 4, 2022
2022 article
Comment on "The influence of juvenile dinosaurs on community structure and diversity"
Benson, R. B. J., Brown, C. M., Campione, N. E., Cullen, T. M., Evans, D. C., & Zanno, L. E. (2022, January 21). SCIENCE, Vol. 375.
MeSH headings : Animals; Dinosaurs; North America; Predatory Behavior
TL;DR:
It is argued that the supporting dataset is skewed toward Late Cretaceous North America and that the gap was likely absent during other intervals in most geographic regions, and should be considered for broader consideration.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
15. Life on Land
(Web of Science)
Sources: ORCID, Web Of Science, NC State University Libraries
Added: January 21, 2022
2022 journal article
Dental pathologies in lamniform and carcharhiniform sharks with comments on the classification and homology of double tooth pathologies in vertebrates
PEERJ, 10.
author keywords: Shark; Tooth; Double tooth; Chondrichthyan; Otodus megalodon; Carcharhinus leucas; Lamniformes; Carcharhiniformes; Dentition; Pathology
MeSH headings : Animals; Fused Teeth; Tooth / anatomy & histology; Vertebrates; Sharks / anatomy & histology; Fishes; Mammals
TL;DR:
It is argued that the definitions and diagnostic criteria for dental pathologies in vertebrates require standardization in order to advance macroevolutionary studies of feeding trauma in deep time and to link developmental, paleobiological, and/or paleoenvironmental factors to gemination/fusion in polyphyodont taxa.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
14. Life Below Water
(OpenAlex)
15. Life on Land
(Web of Science)
Sources: ORCID, Web Of Science, NC State University Libraries
Added: May 12, 2022
2022 article
Estimating ancient biogeographic patterns with statistical model discrimination
Gates, T. A., Cai, H., Hu, Y., Han, X., Griffith, E., Burgener, L., … Zanno, L. E. (2022, September 23). ANATOMICAL RECORD-ADVANCES IN INTEGRATIVE ANATOMY AND EVOLUTIONARY BIOLOGY, Vol. 9.
author keywords: biogeography; dinosaur; ecology; linear regression; phylogenetics
UN Sustainable Development Goal Categories
15. Life on Land
(Web of Science)
Sources: Web Of Science, NC State University Libraries, ORCID
Added: September 25, 2022
2022 article
Insufficient Evidence for Multiple Species of Tyrannosaurus in the Latest Cretaceous of North America: A Comment on "The Tyrant Lizard King, Queen and Emperor: Multiple Lines of Morphological and Stratigraphic Evidence Support Subtle Evolution and Probable Speciation Within the North American Genus Tyrannosaurus"
Carr, T. D., Napoli, J. G., Brusatte, S. L., Holtz, T. R., Jr., Hone, D. W. E., Williamson, T. E., & Zanno, L. E. (2022, July 25). EVOLUTIONARY BIOLOGY, Vol. 7.
author keywords: Tyrannosaurus; Clustering; Cretaceous; Taxonomy; Variation; Robusticity
UN Sustainable Development Goal Categories
15. Life on Land
(Web of Science)
Sources: ORCID, Web Of Science, NC State University Libraries
Added: July 26, 2022
2022 journal article
Large-bodied ornithomimosaurs inhabited Appalachia during the Late Cretaceous of North America
PLOS ONE, 17(10).
Ed(s): L. Claessens
MeSH headings : Animals; Fossils; Ecosystem; Dinosaurs / anatomy & histology; North America; Grasshoppers; Appalachian Region
TL;DR:
An assemblage of ornithomimosaurian materials from the Santonian Eutaw Formation of Mississippi provide key information on the diversity and distribution of North American ornithmimosaurs and Appalachian dinosaurs and fit with broader evidence of multiple cohabiting species of ornithsomimosaurs in Late Cretaceous ecosystems of Laurasia.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
14. Life Below Water
(OpenAlex)
15. Life on Land
(Web of Science)
Sources: ORCID, Web Of Science, NC State University Libraries
Added: October 20, 2022
2022 journal article
PARALIC SEDIMENTOLOGY OF THE MUSSENTUCHIT MEMBER COASTAL PLALN, CEDAR MOUNTAIN FORMATION, CENTRAL UTAH, USA
JOURNAL OF SEDIMENTARY RESEARCH, 92(6), 546–569.
UN Sustainable Development Goal Categories
13. Climate Action
(Web of Science)
14. Life Below Water
(OpenAlex)
Sources: Web Of Science, NC State University Libraries
Added: August 1, 2022
2022 journal article
Palaeopathological evidence for intraspecific combat in ankylosaurid dinosaurs
BIOLOGY LETTERS, 18(12).
author keywords: Dinosauria; Ankylosauria; sexual selection; animal weaponry
MeSH headings : Animals; Dinosaurs; Mammals
TL;DR:
It is suggested that sexual selection drove the evolution of this impressive weapon and changes the prevailing view of ankylosaurs, suggesting they were behaviorally complex animals that likely engaged in ritualized combat for social dominance as in other ornithischian dinosaurs and mammals.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
15. Life on Land
(Web of Science)
Sources: Web Of Science, NC State University Libraries
Added: January 3, 2023
2021 journal article
Age constraint for the Moreno Hill Formation (Zuni Basin) by CA-TIMS and LA-ICP-MS detrital zircon geochronology
PEERJ, 9.
author keywords: Moreno Hill Formation; Zuni Basin; Mogollon Highlands; Coupled CA-TIMS and LA-ICP-MS; Gallup Delta; Detrital zircon
TL;DR:
This study presents the first systematic geochronological framework for key strata within the Moreno Hill Formation, and interprets two distinct depositional phases of the MorenoHill Formation younger than previously postulated based on correlations with marine biostratigraphy.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
13. Climate Action
(Web of Science)
14. Life Below Water
(OpenAlex)
Sources: ORCID, Web Of Science, NC State University Libraries
Added: March 10, 2021
2021 journal article
An extreme climate gradient-induced ecological regionalization in the Upper Cretaceous Western Interior Basin of North America
GEOLOGICAL SOCIETY OF AMERICA BULLETIN, 133(9-10), 2125–2136.
Contributors: L. Burgener n, E. Hyland n, E. Griffith n , H. Mitášová n , n & T. Gates n
UN Sustainable Development Goal Categories
15. Life on Land
(Web of Science)
Sources: Web Of Science, NC State University Libraries, ORCID
Added: September 20, 2021
2021 journal article
Anatomical, morphometric, and stratigraphic analyses of theropod biodiversity in the Upper Cretaceous (Campanian) Dinosaur Park Formation
CANADIAN JOURNAL OF EARTH SCIENCES, 58(9), 870–884.
author keywords: theropod; biodiversity; biostratigraphy; Dinosaur Park Formation; troodontid; dinosaur
UN Sustainable Development Goal Categories
15. Life on Land
(Web of Science)
Sources: Web Of Science, NC State University Libraries
Added: September 13, 2021
2021 journal article
Glossifungites gingrasi n. isp., a probable subaqueous insect domicile from the Cretaceous Ferron Sandstone, Utah
JOURNAL OF PALEONTOLOGY, 95(3), 427–439.
UN Sustainable Development Goal Categories
13. Climate Action
(Web of Science)
14. Life Below Water
(Web of Science; OpenAlex)
15. Life on Land
(Web of Science)
Sources: Web Of Science, NC State University Libraries
Added: June 10, 2021
2021 journal article
Keratan sulfate as a marker for medullary bone in fossil vertebrates
Journal of Anatomy.
author keywords: chondroid bone; dinosaur reproduction; immunogold; avian reproduction; skeletal pathologies
MeSH headings : Animals; Biological Evolution; Bone and Bones / anatomy & histology; Bone and Bones / metabolism; Dinosaurs / anatomy & histology; Dinosaurs / metabolism; Fossils; Keratan Sulfate / metabolism
TL;DR:
The results suggest that the presence of keratan sulfate is not exclusive evidence for MB, but rather must be used as one in a suite of criteria available for identifying medullary bone (and thus gravid females) in non‐avian dinosaur specimens.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
15. Life on Land
(Web of Science)
Source: ORCID
Added: January 5, 2021
2021 journal article
Postcranial osteology of Beipiaosaurus inexpectus (Theropoda: Therizinosauria)
PLOS ONE, 16(9).
MeSH headings : Animals; Biological Evolution; China; Dinosaurs / anatomy & histology; Dinosaurs / classification; Fossils / anatomy & histology; Osteology; Spine / anatomy & histology
TL;DR:
A detailed description of the postcranial skeletal anatomy of the holotype specimen of B. inexpectus is presented and three possible synapomorphies for more inclusive taxa (Therizinosauroidea and Therizinosauridae) are proposed and discussed.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
15. Life on Land
(Web of Science)
Sources: Web Of Science, NC State University Libraries
Added: February 7, 2022
2020 journal article
A refined temporal framework for newly discovered fossil assemblages of the upper Cedar Mountain Formation (Mussentuchit Member), Mussentuchit Wash, Central Utah
CRETACEOUS RESEARCH, 110.
author keywords: Cedar Mountain Formation; Mussentuchit Wash; Mussentuchit Member; UePb geochronology; Chronostratigraphy
UN Sustainable Development Goal Categories
13. Climate Action
(Web of Science)
Sources: Web Of Science, NC State University Libraries
Added: May 8, 2020
2020 chapter
Basal Maniraptora
In P. J. Makovicky, M. Carrano, P. Barrett, & D. Weishampel (Eds.), The Dinosauria (3rd Edition). Berkeley: Cambridge University Press.
Ed(s): P. Makovicky, M. Carrano, P. Barrett & D. Weishampel
Source: NC State University Libraries
Added: October 30, 2020
2020 journal article
Growing up Tyrannosaurus rex : Osteohistology refutes the pygmy “ Nanotyrannus ” and supports ontogenetic niche partitioning in juvenile Tyrannosaurus
Science Advances, 6(1).
MeSH headings : Animals; Body Size; Bone and Bones / ultrastructure; Dinosaurs / anatomy & histology; Femur / ultrastructure; Fossils / ultrastructure; Tibia / ultrastructure; Tooth / ultrastructure
TL;DR:
Together, the results support the synonomization of “Nanotyrannus” into Tyrannosaurus and fail to support the hypothesized presence of a sympatric tyrannosaurid species of markedly smaller adult body size, but suggest that this species singularly exploited mid- to large-sized theropod niches at the end of the Cretaceous.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
15. Life on Land
(Web of Science)
Source: ORCID
Added: January 2, 2020
2020 journal article
Identifying medullary bone in extinct avemetatarsalians: challenges, implications and perspectives
author keywords: medullary bone characterization; computed tomography; bone pathology; endosteal tissue
MeSH headings : Animals; Biological Evolution; Birds / anatomy & histology; Birds / physiology; Bone and Bones / anatomy & histology; Bone and Bones / physiology; Dinosaurs / anatomy & histology; Dinosaurs / physiology; Fossils / anatomy & histology; Phylogeny; Reptiles / anatomy & histology; Reptiles / physiology
TL;DR:
It is argued that the prevalence, microstructural and chemical variability of MB in Neornithes is, as of yet, incompletely known and thus current diagnoses of MB do not capture the extent of variability that exists in modern birds.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
15. Life on Land
(Web of Science)
Sources: Web Of Science, NC State University Libraries
Added: January 27, 2020
2020 journal article
Inner ear sensory system changes as extinct crocodylomorphs transitioned from land to water
PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA, 117(19), 10422–10428.
author keywords: bony labyrinth; vestibular system; morphology; thalattosuchia; CT scanning
MeSH headings : Adaptation, Biological / genetics; Adaptation, Biological / physiology; Alligators and Crocodiles / anatomy & histology; Animals; Biological Evolution; Cetacea / anatomy & histology; Ear, Inner / anatomy & histology; Ear, Inner / physiology; Ecosystem; Extinction, Biological; Gray Matter; Phylogeny; Semicircular Canals; Swimming; Tomography, X-Ray Computed / methods; Vestibule, Labyrinth / anatomy & histology; Water
TL;DR:
The morphology of the vestibular system corresponds to habitat, with pelagic thalattosuchians exhibiting a more compact labyrinth with wider semicircular canal diameters and an enlarged vestibule, reminiscent of modified and miniaturized labyrinths of other marine reptiles and cetaceans.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
14. Life Below Water
(OpenAlex)
15. Life on Land
(Web of Science)
Sources: Web Of Science, NC State University Libraries
Added: June 1, 2020
2020 journal article
Repeated Evolution of Divergent Modes of Herbivory in Non-avian Dinosaurs
CURRENT BIOLOGY, 30(1), 158-+.
UN Sustainable Development Goal Categories
15. Life on Land
(Web of Science)
Sources: Web Of Science, NC State University Libraries
Added: January 21, 2020
2020 journal article
Sampling impacts the assessment of tooth growth and replacement rates in archosaurs: implications for paleontological studies
PeerJ.
author keywords: Tooth formation; Tooth replacement; Archosauria; Sampling effects; Alligator; von Ebner lines; Error bars
TL;DR:
A variety of intradental, intramandibular, and ontogentic sampling effects on calculations of mean VEIW, tooth formation times, and replacement rates using histological sections and CT reconstructions of a growth series of three specimens of the extant archosaurian Alligator mississippiensis are tested.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
15. Life on Land
(Web of Science)
Source: ORCID
Added: September 18, 2020
2020 journal article
Tempo and Pattern of Avian Brain Size Evolution
CURRENT BIOLOGY, 30(11), 2026-+.
MeSH headings : Animals; Biological Evolution; Birds / anatomy & histology; Birds / genetics; Brain / anatomy & histology; Organ Size
TL;DR:
It is confirmed that no significant increase in relative brain size accompanied the trend toward miniaturization or evolution of flight during the theropod-bird transition, and patterns suggest that an early adaptive radiation in brain size laid the foundation for subsequent selection and stabilization.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
13. Climate Action
(Web of Science)
15. Life on Land
(Web of Science)
Sources: Web Of Science, NC State University Libraries
Added: June 29, 2020
2019 journal article
Diminutive fleet-footed tyrannosauroid narrows the 70-million-year gap in the North American fossil record
COMMUNICATIONS BIOLOGY, 2(1).
MeSH headings : Animals; Biological Evolution; Biota; Dinosaurs / anatomy & histology; Dinosaurs / classification; Fossils; Hindlimb / anatomy & histology; Humans; North America; Paleontology; Records / statistics & numerical data; Time Factors
TL;DR:
The discovery of a new tyrannosaur reveals that the earliest North American tyrannosaurs relied on speed and small body size to survive and that apex predator status and large body sizes were not reached until much later in their evolutionary history.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
14. Life Below Water
(OpenAlex)
15. Life on Land
(Web of Science)
Sources: Web Of Science, ORCID, NC State University Libraries
Added: March 25, 2019
2019 journal article
Quantifying shape and ecology in avian pedal claws: the relationship between the bony core and keratinous sheath
Ecology and Evolution.
author keywords: claw; individual variation; morphometrics; phylogenetic comparative methods
TL;DR:
The bony claw core and keratinous sheath are significantly correlated, and the degree of functional integration does not differ across ecological groups; however, some separation between ecological groups is evident and a gradual shift from the claw shape of ground‐dwelling birds to those of predatory birds is evident.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
15. Life on Land
(Web of Science)
Sources: Crossref, NC State University Libraries
Added: September 28, 2019
2019 journal article
Systemic distribution of medullary bone in the avian skeleton: ground truthing criteria for the identification of reproductive tissues in extinct Avemetatarsalia
BMC Evolutionary Biology, 19(1).
author keywords: Neornithes; Medullary bone skeletal distribution; Skeletal pneumaticity; Laying cycle; Micro-computed tomography; Chemical staining; Cranial medullary bone; Bone marrow; Avian ecology
MeSH headings : Animals; Birds / classification; Bone and Bones / anatomy & histology; Extinction, Biological; Female; Fossils; Phylogeny; Reproduction / physiology; Species Specificity; Tomography, X-Ray Computed
TL;DR:
Although its skeletal distribution varies interspecifically, MB is found to be a systemic tissue that can be deposited within virtually all skeletal regions, including cranial elements, and evidence that the deposition of MB is dictated by skeletal distribution patterns of both pneumaticity and bone marrow; two factors linked to ecology (body size, foraging).
(via Semantic Scholar)
UN Sustainable Development Goal Categories
14. Life Below Water
(OpenAlex)
15. Life on Land
(Web of Science)
Sources: Web Of Science, NC State University Libraries, Crossref
Added: March 25, 2019
2019 journal article
Tail Weaponry in Ankylosaurs and Glyptodonts: An Example of a Rare but Strongly Convergent Phenotype
The Anatomical Record, 3.
author keywords: Xenarthra; Cingulata; Glyptodontia; Mammalia; vertebrate; Dinosauria; Ankylosauria; Ankylosauridae; convergent evolution; evolutionary constraints
MeSH headings : Animals; Behavior, Animal; Biological Evolution; Dinosaurs / anatomy & histology; Dinosaurs / physiology; Fossils; Phenotype; Phylogeny; Tail / anatomy & histology; Tail / physiology
TL;DR:
It is found that ankylosaurs and glyptodonts shared an independently derived, yet constrained progression of traits correlated with the presence of a tail club, including stiffening of the distal tail as a precedent to expansion of the tail tip in both clades.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
15. Life on Land
(Web of Science)
Sources: Crossref, NC State University Libraries
Added: September 28, 2019
2018 journal article
A new iguanodontian (Dinosauria: Ornithopoda) from the Early Cretaceous of Mongolia
PeerJ, 6, e5300.
author keywords: Dinosaur; Ornithopod; Evolution; Asia; Anatomy; Biodiversity; Phylogeny; Histology; Ontogeny; Paleontology
TL;DR:
Differences in morphology and results of the phylogenetic analyses support their distinction although more specimens of both species will allow better refinement of their uniqueness.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
15. Life on Land
(Web of Science)
Sources: ORCID, Crossref, NC State University Libraries
Added: September 12, 2019
2018 journal article
A new microvertebrate assemblage from the Mussentuchit Member, Cedar Mountain Formation: insights into the paleobiodiversity and paleobiogeography of early Late Cretaceous ecosystems in western North America
PeerJ, 6, e5883.
author keywords: Biodiversity; Upper Cretaceous; Cedar mountain formation; Cenomanian; Microvertebrate; Dinosaur; Vertebrate; Mussentuchit Member
TL;DR:
The first descriptions of tyrannosauroid premaxillary teeth are provided and the earliest North American record of adocid remains are document, extending the appearance of this ancestrally Asian clade by 5 million years in western North America and supporting studies of pre-Cenomaninan Laurasian faunal exchange across Beringia.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
14. Life Below Water
(OpenAlex)
15. Life on Land
(Web of Science)
Sources: Web Of Science, ORCID, NC State University Libraries, Crossref
Added: December 31, 2018
2018 journal article
Disparate Growth Strategies within Aetosauria: Novel Histologic Data from the Aetosaur Coahomasuchus chathamensis.
The Anatomical Record Advances in Integrative Anatomy and Evolutionary Biology, 302(9), 1504–1515.
author keywords: histology; osteoderms; paleobiology; pseudosuchia; archosaurs
MeSH headings : Animals; Bone and Bones / anatomy & histology; Bone and Bones / physiology; Fossils / anatomy & histology; Reptiles / anatomy & histology; Reptiles / growth & development
TL;DR:
A histological examination of Coahomasuchus chathamensis is undertaken to address its ontogenetic trajectory and characterize its histology, revealing the presence of disparate growth strategies within Aetosauria.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
14. Life Below Water
(OpenAlex)
15. Life on Land
(Web of Science)
Sources: Web Of Science, NC State University Libraries
Added: August 19, 2019
2018 journal article
The evolution of tail weaponization in amniotes
Proceedings of the Royal Society B: Biological Sciences, 285(1871), 20172299.
author keywords: correlated evolution; weapons; dinosauria; cingulata
MeSH headings : Adaptation, Biological; Animals; Biological Evolution; Mammals / anatomy & histology; Mammals / physiology; Phylogeny; Reptiles / anatomy & histology; Reptiles / physiology; Tail / anatomy & histology; Tail / physiology; Weapons
TL;DR:
It is suggested that the evolution of tail weaponry is rare because large, armoured herbivores are uncommon in extant terrestrial faunas, as they have been throughout evolutionary history.
(via Semantic Scholar)
Sources: Crossref, NC State University Libraries
Added: September 28, 2019
2018 book
Transgressive erosion expressed as a Rhizocorallium -dominated xylic firmground: an example from the Blackhawk Formation, Utah
In PALAIOS (Vol. 33, pp. 29–35).
UN Sustainable Development Goal Categories
13. Climate Action
(Web of Science)
14. Life Below Water
(Web of Science; OpenAlex)
15. Life on Land
(Web of Science)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018
2018 journal article
Under the armor: X-ray computed tomographic reconstruction of the internal skeleton of Coahomasuchus chathamensis (Archosauria: Aetosauria) from the Upper Triassic of North Carolina, USA, and a phylogenetic analysis of Aetosauria
PeerJ, 6, e4368.
author keywords: Aetosauria; Aetosaurs; Specimen-based phylogeny; CT reconstruction; Late Triassic; North Carolina; Carnian
TL;DR:
This study recovers Coahomasuchus in a polytomy with Aetosaurus and the Typothoracinae, in contrast with a recent analysis that recovered Coahomauchus as a wild-card taxon.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
14. Life Below Water
(OpenAlex)
15. Life on Land
(Web of Science)
Sources: Crossref, NC State University Libraries, NC State University Libraries
Added: August 6, 2018
2017 journal article
Anatomy, taphonomy, and phylogenetic implications of a new specimen of Eolambia caroljonesa (Dinosauria: Ornithopoda) from the Cedar Mountain Formation, Utah, USA
PLOS ONE, 12(5), e0176896.
Ed(s): M. Spigelman
MeSH headings : Animals; Dinosaurs / anatomy & histology; Dinosaurs / classification; Fossils; Pelvic Bones / anatomy & histology; Phylogeny; Spine / anatomy & histology; Utah
TL;DR:
A recently discovered associated partial postcranial skeleton of a large Eolambia caroljonesa is described, providing new anatomical data regarding the vertebral column and pelvic girdle and revealing new information on growth history in a basal hadrosauromorph.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
15. Life on Land
(Web of Science)
Sources: Crossref, NC State University Libraries, NC State University Libraries
Added: August 6, 2018
2017 journal article
Incremental growth of therizinosaurian dental tissues: implications for dietary transitions in Theropoda
PeerJ, 5, e4129.
author keywords: Dinosaur teeth; Therizinosauria; Von ebner; Dentin; Enamel microstructure; Histology; Tooth growth
TL;DR:
A significant reduction in the rate of enamel apposition is recorded contrasted with increased relative enamel thickness between early and later diverging therizinosaurians that coincides with anatomical evidence for increased specializations to herbivory in the clade.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
15. Life on Land
(Web of Science)
Sources: Crossref, NC State University Libraries
Added: September 28, 2019
2016 journal article
Ankylosaurian dinosaur palaeoenvironmental associations were influenced by extirpation, sea-level fluctuation, and geodispersal
Palaeogeography, Palaeoclimatology, Palaeoecology, 449, 289–299.
author keywords: Cretaceous; Western Interior Basin; Ankylosauria; Ankylosauridae; Nodosauridae; Dinosauria
UN Sustainable Development Goal Categories
14. Life Below Water
(OpenAlex)
15. Life on Land
(Web of Science)
Sources: Web Of Science, NC State University Libraries, Crossref
Added: August 6, 2018
2016 journal article
Bony cranial ornamentation linked to rapid evolution of gigantic theropod dinosaurs
Nature Communications, 7(1).
TL;DR:
It is found that body size evolved directionally toward phyletic giantism an order of magnitude faster in theropod species possessing ornaments compared with unadorned lineages, and there is novel, quantitative support for a shift in selective pressures on socio-sexual display mechanisms in the theropods coincident with the evolution of pennaceous feathers.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
15. Life on Land
(Web of Science)
Sources: Crossref, NC State University Libraries, NC State University Libraries
Added: August 6, 2018
2016 journal article
Chemistry supports the identification of gender-specific reproductive tissue in Tyrannosaurus rex
Scientific Reports, 6(1).
MeSH headings : Animals; Bone and Bones / anatomy & histology; Bone and Bones / chemistry; Chickens / anatomy & histology; Dinosaurs / anatomy & histology; Female; Fossils; Keratan Sulfate / analysis; Reproduction; Sex Characteristics; Sex Determination Analysis; Struthioniformes / anatomy & histology
TL;DR:
Using the unique chemical and histological fingerprint of MB in birds to characterize, at the molecular level, MB in the non-avian theropod Tyrannosaurus rex and show that the retention of original molecular components in fossils allows deeper physiological and evolutionary questions to be addressed.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
5. Gender Equality
(OpenAlex)
15. Life on Land
(Web of Science)
Sources: Crossref, NC State University Libraries, NC State University Libraries
Added: August 6, 2018
2016 journal article
Osteology of Carnufex carolinensis (Archosauria: Psuedosuchia) from the Pekin Formation of North Carolina and Its Implications for Early Crocodylomorph Evolution
PLOS ONE, 11(6), e0157528.
Ed(s): L. Claessens
MeSH headings : Alligators and Crocodiles / anatomy & histology; Animals; Biological Evolution; Dinosaurs / anatomy & histology; Forelimb / anatomy & histology; Fossils; Geography; Geological Phenomena; North Carolina; Osteology / methods; Skull / anatomy & histology; Time Factors
TL;DR:
A phylogenetic analysis utilizing a comprehensive dataset of early paracrocodylomorphs and including seven new characters and numerous modifications to characters culled from the literature recovers Carnufex carolinensis as one of the most basal members of Crocodylomorpha, in a polytomy with two other large bodied taxa.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
14. Life Below Water
(OpenAlex)
15. Life on Land
(Web of Science)
Sources: Crossref, NC State University Libraries, NC State University Libraries
Added: August 6, 2018
2016 journal article
Specializations of the mandibular anatomy and dentition of Segnosaurus galbinensis (Theropoda: Therizinosauria)
PeerJ, 4, e1885.
author keywords: Cretaceous; Dinosaur; Theropod; Anatomy; Ecomorphology; Therizinosaur; Dentition; Evolution; Dietary specializations; Herbivory
TL;DR:
The dentition of S. galbinensis is indicative of niche partitioning in food acquisition, processing, or resources among known therizinosaurids inhabiting Asian ecosystems in the Late Cretaceous, adding novel information to the understanding of ecomorphology in theropods.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
15. Life on Land
(Web of Science)
Sources: Crossref, NC State University Libraries, NC State University Libraries
Added: August 6, 2018
2016 journal article
The furculae of the dromaeosaurid dinosaur Dakotaraptor steini are trionychid turtle entoplastra
PeerJ, 4, e1691.
author keywords: Trionychidae; Dromaeosauridae; Theropoda; Testudines; Axestemys; Cretaceous; Maastrichtian; Hell Creek Formation; South Dakota
TL;DR:
It is shown that the elements described as D. steini ‘furculae’ are not theropod dinosaur furculae, but are rather trionychid turtle entoplastra referable to cf.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
15. Life on Land
(Web of Science)
Sources: Crossref, NC State University Libraries, NC State University Libraries
Added: August 6, 2018
2015 journal article
Early crocodylomorph increases top tier predator diversity during rise of dinosaurs
Scientific Reports, 5(1).
MeSH headings : Animals; Biodiversity; Dinosaurs; Paleontology
TL;DR:
Carnufex bridges a problematic gap in the early evolution of pseudosuchians by spanning key transitions in bauplan evolution and body mass near the origin of Crocodylomorpha.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
14. Life Below Water
(OpenAlex)
15. Life on Land
(Web of Science)
Sources: Crossref, NC State University Libraries, NC State University Libraries
Added: August 6, 2018
2015 journal article
The Slothful Claw: Osteology and Taphonomy of Nothronychus mckinleyi and N. graffami (Dinosauria: Theropoda) and Anatomical Considerations for Derived Therizinosaurids
PLOS ONE, 10(6), e0129449.
Ed(s): M. Mihlbachler
MeSH headings : Animals; Biological Evolution; Bone and Bones / anatomy & histology; Dinosaurs / anatomy & histology; Dinosaurs / classification; Phylogeny; Tooth / anatomy & histology
TL;DR:
It is demonstrated that the species were not only separated geographically, but also temporally, based on ammonoid biozones, and appear to have been separated by at least 1.5 million years and up to 3 million years.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
15. Life on Land
(Web of Science)
Sources: Crossref, NC State University Libraries, NC State University Libraries
Added: August 6, 2018
2015 journal article
Theropod teeth from the upper Maastrichtian Hell Creek Formation "Sue" Quarry: New morphotypes and faunal comparisons
Acta Palaeontologica Polonica, 60(1), 131–139.
Source: NC State University Libraries
Added: August 6, 2018
2014 journal article
Cranial anatomy of Erlikosaurus andrewsi (Dinosauria: Therizinosauria): new insights based on digital reconstruction
Journal of Vertebrate Paleontology, 34(6), 1263–1291.
TL;DR:
A reappraisal of the evolutionary and functional changes in the cranial skeleton as provided by this study supports prior proposals that a keratinous sheath or rhamphotheca was developed early in the evolution of Therizinosauria.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
15. Life on Land
(Web of Science)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018
2013 chapter
Late Cretaceous theropod dinosaurs of southern Utah
In A. Titus & M. A. Loewen (Eds.), At the Top of the Grand Staircase: the Late Cretaceous of southern Utah (pp. 504–525). Bloomington: Indiana University Press.
Ed(s): A. Titus & M. Loewen
Source: NC State University Libraries
Added: October 30, 2020
2013 journal article
Neovenatorid theropods are apex predators in the Late Cretaceous of North America
Nature Communications, 4(1).
MeSH headings : Animals; Dinosaurs; Food Chain; Fossils; North America; Paleontology; Phylogeny; Predatory Behavior
TL;DR:
Siats meekerorum, a giant new North American allosauroid from the Late Cretaceous, is described, demonstrating that this clade co-occurred with and competitively excluded smaller tyrannosaurs, and support the hypothesis that extinction of Allosauroidea in terrestrial ecosystems of North America permitted ecological release of tyrannosAUroids, which went on to dominate end-Cretaceous food webs.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
15. Life on Land
(Web of Science)
Sources: Crossref, NC State University Libraries, NC State University Libraries
Added: August 6, 2018
2013 journal article
Theropod teeth from the upper Maastrichtian Hell Creek Formation “Sue” Quarry: new morphotypes and faunal comparisons
Acta Palaeontologica Polonica, 60(1), 131–139.
UN Sustainable Development Goal Categories
15. Life on Land
(OpenAlex)
Source: NC State University Libraries
Added: March 9, 2021
2012 journal article
Mountain building triggered late Cretaceous North American megaherbivore dinosaur radiation
PLoS One, 7(8).
Source: NC State University Libraries
Added: August 6, 2018
2012 journal article
No evidence for directional evolution of body mass in herbivorous theropod dinosaurs
Proceedings of the Royal Society B: Biological Sciences, 280(1751), 20122526.
author keywords: macroevolution; diet; Cope's rule; body size; ecology; phylogenetic trend
MeSH headings : Animals; Asia; Biological Evolution; Body Weight / physiology; Dinosaurs / anatomy & histology; Dinosaurs / physiology; Fossils; Herbivory; Least-Squares Analysis; Likelihood Functions; Phylogeny; Species Specificity
TL;DR:
This work reconstructs body mass in the three major subclades of non-avian theropod dinosaurs whose ecomorphology is correlated with extrinsic evidence of at least facultative herbivory in the fossil record, and suggests that the hypothesis can be extrapolated to herbivorous lineages across geological time scales.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
15. Life on Land
(Web of Science)
Sources: Crossref, NC State University Libraries, NC State University Libraries
Added: August 6, 2018
2012 journal article
The Endocranial Anatomy of Therizinosauria and Its Implications for Sensory and Cognitive Function
PLoS ONE, 7(12), e52289.
Ed(s): R. Butler
MeSH headings : Animals; Cognition / physiology; Dinosaurs / anatomy & histology; Dinosaurs / classification; Phylogeny; Radiography; Skull / anatomy & histology; Skull / diagnostic imaging
TL;DR:
The anatomy of the olfactory apparatus and the endosseous labyrinth suggests that olfaction, hearing, and equilibrium were well-developed in therizinosaurians and might have affected or benefited from an enlarged telencephalon.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
15. Life on Land
(Web of Science)
Sources: Crossref, NC State University Libraries, NC State University Libraries
Added: August 6, 2018
2011 journal article
A New Troodontid Theropod, Talos sampsoni gen. et sp. nov., from the Upper Cretaceous Western Interior Basin of North America
PLoS ONE, 6(9), e24487.
Ed(s): C. Lalueza-Fox
MeSH headings : Animals; Bone and Bones / diagnostic imaging; Dinosaurs / anatomy & histology; Dinosaurs / classification; North America; Paleontology; Phylogeny; X-Ray Microtomography
TL;DR:
The presence of a distinct troodontid taxon in the Kaiparowits Formation supports the hypothesis that late Campanian dinosaurs of the Western Interior Basin exhibited restricted geographic ranges and suggests that the taxonomic diversity of Late Cretaceous troodonids from North America is currently underestimated.
(via Semantic Scholar)
Sources: Crossref, NC State University Libraries
Added: November 17, 2019
2011 journal article
New information on the braincase of the North American therizinosaurian (Theropoda, Maniraptora) Falcarius utahensis
Journal of Vertebrate Paleontology, 31(2), 387–404.
TL;DR:
The braincase morphology of Falcarius utahensis clarifies several evolutionary trends within theTherizinosauria and establishes a suite of synapomorphies for the Therizinosauridae.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
16. Peace, Justice and Strong Institutions
(OpenAlex)
Sources: Web Of Science, NC State University Libraries
Added: March 9, 2021
2011 journal article
On the earliest record of Cretaceous tyrannosauroids in western North America: implications for an Early Cretaceous Laurasian interchange event
Historical Biology, 23(4), 317–325.
author keywords: dinosaur; paleobiogeography; Beringia; enamel microstructure; Cloverly Formation
TL;DR:
A tyrannosauroid premaxillary tooth from the Cloverly Formation, Wyoming, USA, is reported that pushes back the earliest Cretaceous record of the clade in North America and finds that the enamel microstructure of FMNH PR 2750 conforms to the morphotype of tyrannosaurids, yet exhibits poor columnar differentiation.
(via Semantic Scholar)
Sources: Crossref, NC State University Libraries
Added: November 17, 2019
2011 book
Theropod diversity and the refinement of avian characteristics
In G. Dyke & G. Kaiser (Eds.), Living Dinosaurs: The Evolutionary History of Modern Birds. (pp. 9–29). Berkeley: University of California Press.
Ed(s): G. Dyke & G. Kaiser
Source: NC State University Libraries
Added: October 30, 2020
2010 journal article
A taxonomic and phylogenetic re-evaluation of Therizinosauria (Dinosauria: Maniraptora)
Journal of Systematic Palaeontology, 8(4), 503–543.
author keywords: Segnosauria; Theropoda; Dinosauria; systematics; biogeography; evolution
TL;DR:
Time calibration of ingroup relationships indicates a pre-Turonian dispersal event is needed to account for the presence of therizinosaurids in the Late Cretaceous of North America and Asia; this conclusion supports previous hypotheses of a Laurasian faunal interchange event during the Albian.
(via Semantic Scholar)
Sources: Web Of Science, NC State University Libraries
Added: March 9, 2021
2010 journal article
Biogeography of terrestrial and freshwater vertebrates from the late Cretaceous (Campanian) Western Interior of North America
Palaeogeography, Palaeoclimatology, Palaeoecology, 291(3-4), 371–387.
author keywords: Biostratigraphy; Dinosaurs; Paleoecology; Multivariate statistics; Similarity index; Western Interior Basin
TL;DR:
The results of this study provide strong support for highly divergent faunas in northern and southern regions of the WIB, with a latitudinal faunal gradient as an interface.
(via Semantic Scholar)
Sources: Crossref, NC State University Libraries
Added: November 17, 2019
2010 chapter
Grand Staircase-Escalante National Monument: a new and critical window into the world of dinosaurs
In Learning from the land : Grand Staircase-Escalante National Monument Science Symposium Proceedings (Vol. 2, pp. 171–188). Washington, DC: Bureau of Land Management.
Event: Grand Staircase–Escalante National Monument Science Symposium Proceedings at Southern Utah University, Cedar City, Utah on September 12-14, 2006
Source: NC State University Libraries
Added: March 18, 2021
2010 journal article
Herbivorous ecomorphology and specialization patterns in theropod dinosaur evolution
Proceedings of the National Academy of Sciences, 108(1), 232–237.
MeSH headings : Adaptation, Biological / physiology; Animals; Biological Evolution; Diet; Dinosaurs / anatomy & histology; Dinosaurs / physiology; Feeding Behavior / physiology; Fossils; Phylogeny; Skull / anatomy & histology
TL;DR:
A refined approach for assessing trophic habits in fossil taxa is presented and evidence indicating that the early evolution of a beak in coelurosaurians correlates with an herbivorous diet is found, as well as evidence for a common succession of increasing specialization to herbivory in the subclades Ornithomimosauria and Oviraptorosauria.
(via Semantic Scholar)
Sources: Crossref, NC State University Libraries
Added: November 17, 2019
2010 journal article
Osteology of Falcarius utahensis (Dinosauria: Theropoda): characterizing the anatomy of basal therizinosaurs
Zoological Journal of the Linnean Society, 158(1), 196–230.
author keywords: anatomy; Coelurosauria; Early Cretaceous; evolutionary trends; Maniraptora; morphology; North America; Segnosauria; Utah
TL;DR:
Results of this study reveal a significant degree of morphological disparity between Falcarius utahensis and the evidently coeval primitive theriz Dinosaur Beipiaosaurus inexpectus and help characterize morphological transformations occurring in the therizinosaur lineage that are of phylogenetic significance, particularly with regard to the highly derived presacral axial column.
(via Semantic Scholar)
Sources: Web Of Science, NC State University Libraries
Added: March 18, 2021
2010 chapter
Preliminary report on the theropod dinosaur fauna of the late Campanian Kaiparowits Formation, Grand Staircase-Escalante National Monument, Utah
In Learning from the land : Grand Staircase-Escalante National Monument Science Symposium Proceedings (Vol. 2, pp. 204–217). Washington, DC: Bureau of Land Management.
Event: Grand Staircase–Escalante National Monument Science Symposium Proceedings at Southern Utah University, Cedar City, Utah on September 12-14, 2006
Source: NC State University Libraries
Added: March 18, 2021
2009 journal article
A new North American therizinosaurid and the role of herbivory in “predatory" dinosaur evolution.
Proceedings of the Royal Society B: Biological Sciences, 276(1672), 3505–3511.
author keywords: ecomorphology; phylogeny; diet; Maniraptora; Theropoda; Nothronychus
MeSH headings : Animals; Biological Evolution; Dinosaurs / anatomy & histology; Dinosaurs / genetics; Feeding Behavior / physiology; North America; Paleontology
TL;DR:
It is suggested that hypercarnivory in paravian dinosaurs is a secondarily derived dietary specialization and provide a potential mechanism for the invasion of novel morpho- and ecospace early in coelurosaurian evolution—the loss of obligate carnivory and origin of dietary opportunism.
(via Semantic Scholar)
Sources: Web Of Science, NC State University Libraries
Added: March 18, 2021
2007 journal article
Velafrons coahuilensis, a new lambeosaurine hadrosaurid (Dinosauria: Ornithopoda) from the late Campanian Cerro del Pueblo Formation, Coahuila, Mexico
Journal of Vertebrate Paleontology, 27(4), 917–930.
TL;DR:
The crest structure of Velafrons more closely resembles that of Corythosaurus and Hypacrosaurus because it possesses an anteriorly projecting nasal process over the dorsal premaxilla process.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
14. Life Below Water
(OpenAlex)
Sources: Crossref, NC State University Libraries
Added: November 17, 2019
2006 journal article
The pectoral girdle and forelimb of the primitive therizinosauroidFalcarius Utahensis(Theropoda, Maniraptora): analyzing evolutionary trends within Therizinosauroidea
Journal of Vertebrate Paleontology, 26(3), 636–650.
TL;DR:
Analysis of the pectoral girdle and forelimb suggests that Theriz Dinosauridae is more appropriately defined as a derived clade including Nothronychus, Erlicosaurus, Neimongosaurus, Therizinosaurus, and Segnosaurus, and strong support is recovered for a clade containing these five genera plus “Alectrosaurus” and Erliansaurus.
(via Semantic Scholar)
Sources: Crossref, NC State University Libraries
Added: November 17, 2019
2005 journal article
A new Oviraptorosaur (Theropoda, Maniraptora) from the Late Cretaceous (Campanian) of Utah
Journal of Vertebrate Paleontology, 25(4), 897–904.
TL;DR:
The discovery of this new specimen from southern Utah greatly expands the known geographic distribution of these theropods, nearly doubling the previously documented range of North American oviraptorosaurs.
(via Semantic Scholar)
Sources: Crossref, NC State University Libraries
Added: November 17, 2019
2005 journal article
A primitive therizinosauroid dinosaur from the Early Cretaceous of Utah
Nature, 435(7038), 84–87.
MeSH headings : Animals; Dinosaurs / anatomy & histology; Dinosaurs / classification; Fossils; History, Ancient; Phylogeny; Skeleton; Skull / anatomy & histology; Species Specificity; Tooth / anatomy & histology; Utah
TL;DR:
A new, primitive therizinosauroid is described from an extensive paucispecific bonebed at the base of the Cedar Mountain Formation of east-central Utah, indicating that this species documents the earliest known stage in the poorly understood transition from carnivory to herbivory within Therizinosauroidea.
(via Semantic Scholar)
Sources: Crossref, NC State University Libraries
Added: November 17, 2019
2002 chapter
Diminutive Metoposaurid skulls from the Upper Triassic Blue Hills (Adamanian: latest Carnian) of Arizona
In A. B. Heckert & S. G. Lucas (Eds.), Upper Triassic Stratigraphy and Paleontology (pp. 121–125). Albuquerque, New Mexico: New Mexico Museum of Natural History and Science Bulletin.
Ed(s): A. Heckert & S. Lucas
Source: NC State University Libraries
Added: March 18, 2021
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