Results 131 to 140 of about 939 (164)
A juvenile bird with possible crown-group affinities from a dinosaur-rich Cretaceous ecosystem in North America. [PDF]
BMC Ecol EvolBrownstein CD.
europepmc +1 more source
Estimating Ancestral States of Complex Characters: A Case Study on the Evolution of Feathers
Cockx P, Benton MJ, Keating JN.
europepmc +1 more source
Canadian Journal of Earth Sciences, 2023 Albertosaurus sarcophagus specimens from the Danek Bonebed of Edmonton, Alberta, Canada were first described in 2014. Since this initial report, the University of Alberta’s annual field work has continued to yield additional tyrannosaurid material from ...
Colton C. Coppock, Philip J. Currie
semanticscholar +3 more sources
The Bulletin of Zoological Nomenclature, 2020 . The purpose of this application, under Article 23.9.3 of the Code, is to conserve at both the family and superfamily level the widely used family-group name Tyrannosauridae (-oidea) Osborn, 1906 (Dinosauria, Theropoda), which is threatened by its ...
Chan‐gyu Yun
semanticscholar +4 more sources
Canadian Journal of Earth Sciences, 2021 The albertosaurines Albertosaurus sarcophagus and Gorgosaurus libratus are among the best represented tyrannosaurids, known from nearly complete growth series.
François Therrien +3 more
semanticscholar +3 more sources
The Bulletin of Zoological Nomenclature. The International Commission on Zoological Nomenclature has used its plenary power to conserve the family-group name Tyrannosauridae Osborn, 1906 by giving it precedence over Deinodontidae Cope, 1866 and Dryptosauridae Marsh, 1890 whenever it is ...
semanticscholar +3 more sources
FREQUENCY OF CRANIOFACIAL PATHOLOGIES IN TYRANNOSAURIDAE
Geological Society of America Abstracts with Programs, 2016 Cody L. Reich, Joseph E. Peterson
semanticscholar +4 more sources
Cranial Anatomy and Ontogeny of Gorgosaurus libratus (Tyrannosauridae: Albertosaurinae)
, 2018 Tyrannosauridae is a diverse clade of Late Cretaceous theropod dinosaurs that exhibit significant changes in skull morphology through ontogeny. Whereas mature individuals of distinct tyrannosaurid taxa are morphologically disparate, immature individuals have been regarded as morphologically conservative between taxa.
Jared T. Voris
semanticscholar +4 more sources
Journal of Vertebrate Paleontology, 2021 Known from dozens of specimens discovered since the early 20th century, Gorgosaurus libratus has arguably contributed more than any other taxon to our understanding of the life history of tyrannosaurids. However, juvenile material for this taxon is rare.
Jared T. Voris +5 more
semanticscholar +3 more sources