Ontology highlight
ABSTRACT:
SUBMITTER: Marsicano CA
PROVIDER: S-EPMC4725541 | biostudies-literature | 2016 Jan
REPOSITORIES: biostudies-literature
Marsicano Claudia A CA Irmis Randall B RB Mancuso Adriana C AC Mundil Roland R Chemale Farid F
Proceedings of the National Academy of Sciences of the United States of America 20151207 3
Dinosaurs have been major components of ecosystems for over 200 million years. Although different macroevolutionary scenarios exist to explain the Triassic origin and subsequent rise to dominance of dinosaurs and their closest relatives (dinosauromorphs), all lack critical support from a precise biostratigraphically independent temporal framework. The absence of robust geochronologic age control for comparing alternative scenarios makes it impossible to determine if observed faunal differences v ...[more]