author keywords: allometry; biogeography; global; Longhurst; mixotrophy; oceans; phytoplankton; taxonomy

TL;DR: Constitutive mixotrophs are dominant members of organisms traditionally termed "phytoplankton" protists, however, lack of routine protocols for measuring phagotrophy has led to widespread misrepresentation of the fundamental nature of marine planktonic primary producers. (via Semantic Scholar)