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Works (9)
Updated: April 5th, 2024 10:00
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)
open access via doi.org (publisher)
UN Sustainable Development Goal Categories
15. Life on Land
(Web of Science)
Sources: Web Of Science, NC State University Libraries
Added: March 27, 2023
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: Web Of Science, ORCID, NC State University Libraries
Added: October 4, 2022
2021 journal article
Testing hypothesis of skeletal unity using bone histology: The case of the sauropod remains from the Howe-Stephens and Howe Scott quarries (Morrison Formation, Wyoming, USA)
PALAEONTOLOGIA ELECTRONICA, 24(1).
author keywords: Bone microstructure; intra-specific variability; Upper Jurassic; Diplodocidae; Macronaria
UN Sustainable Development Goal Categories
15. Life on Land
(Web of Science)
Source: Web Of Science
Added: June 14, 2021
2020 journal article
Bone histology yields insights into the biology of the extinct elephant birds (Aepyornithidae) from Madagascar
BIOLOGICAL JOURNAL OF THE LINNEAN SOCIETY, 130(2), 268–295.
author keywords: bone remodelling; insular birds; ontogeny; Palaeognathae; protracted growth; terrestrial birds
TL;DR:
It is found that intracortical remodelling began early in ontogeny and continued throughout their lives, becoming more extensive throughout the compacta with age, albeit more restricted to the perimedullary region in the femora.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
15. Life on Land
(Web of Science)
Source: Web Of Science
Added: September 14, 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
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
Microstructure of Vertebrae, Ribs, and Gastralia of Triassic Sauropterygians-New Insights into the Microanatomical Processes Involved in Aquatic Adaptations of Marine Reptiles
ANATOMICAL RECORD-ADVANCES IN INTEGRATIVE ANATOMY AND EVOLUTIONARY BIOLOGY, 302(10), 1770–1791.
author keywords: pachyosteosclerosis; osteosclerosis; inhibition of remodeling; central cavity in centra; ribs with consistent global compactness
MeSH headings : Adaptation, Physiological; Animals; Biological Evolution; Dinosaurs / anatomy & histology; Fossils / anatomy & histology; Ribs / anatomy & histology; Spine / anatomy & histology; Swimming / physiology
TL;DR:
R ribs and vertebrae of Middle Triassic sauropterygians have a well‐defined large cavity in their centra, which is a unique feature and is without any modern analogue, and resembles the microanatomy of long bones in all studied taxa.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
14. Life Below Water
(OpenAlex)
15. Life on Land
(Web of Science)
Source: Web Of Science
Added: September 30, 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
2017 journal article
Oxygen isotope fractionation between bird bone phosphate and drinking water
Naturwissenschaften (Berlin, Germany), 104(5-6).
Source: NC State University Libraries
Added: August 6, 2018
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