Results 51 to 60 of about 2,961 (200)

Novos restos de Notosuchus terrestris Woodward, 1896 (Crocodyliformes: Mesoeucrocodylia) do Cretáceo Superior de Neuquén, Patagônia, Argentina [PDF]

, 2008
New materials of Notosuchus terrestris are here described. They were found on Bajo de la Carpa Formation outcrops, near the Universidad Nacional del Comahue, Neuquén City.
Calvo, Jorge, Fiorelli, Lucas Ernesto
core  

Diverse New Microvertebrate Assemblage from the Upper Triassic Cumnock Formation, Sanford Subbasin, North Carolina, USA [PDF]

, 2012
The Moncure microvertebrate locality in the Cumnock Formation, Sanford sub-basin, North Carolina, dramatically increases the known Late Triassic age vertebrate assemblage from the Deep River Basin.
Andrew B. Heckert, Arambourg, Baszio, Bengston, Benton, Berg, Blagoderov, Bock, Broom, Campbell, Case, Case, Case, Cifelli, Cope, Cope, Cornet, Crompton, Currie, Davidow-Henry, Emmons, Evans, Farlow, Fraas, Fraser, Fraser, Fraser, Gauthier, Gauthier, Godefroit, Godefroit, Godefroit, Godefroit, Grande, Hahn, Hahn, Hahn, Heckert, Heckert, Heckert, Heckert, Heckert, Heckert, Heckert, Hopson, Hopson, Huber, Huber, Huene, Huene, Huene, Huene, Hunt, Hunt, Hunt, Hunt, Huxley, Janvier, Jenkins, Jonathan S. Mitchell, Kammerer, Kaye, Kemp, Klein, Langer, Linnaeus, Liu, Liu, Long, Lucas, Martin, McCune, McCune, Milner, Milner, Mitchell, Murry, Murry, Müller, Nesbitt, Olsen, Olsen, Olsen, Olsen, Olsen, Olsen, Osborn, Owen, Owen, Paul E. Olsen, Regan, Reinemund, Rieppel, Sawin, Schaeffer, Schaeffer, Schaeffer, Schaeffer, Sereno, Shubin, Sues, Sues, Sues, Sues, Vincent P. Schneider, Wild, Wild, Williston, Woodward, Zanno, Zittel   +110 more
core   +2 more sources

Histology and fossil diagenesis of a pterosaur tooth from the Crato Formation (Lower Cretaceous of Brazil)

The Anatomical Record, EarlyView.
Abstract Pterosaur dental biology remains poorly understood despite its importance for comprehending feeding strategies and flight adaptations. Here, we present the first comprehensive histological analysis of an ornithocheiriform pterosaur tooth from the Lower Cretaceous Crato Formation (Santana Group, Northeast Brazil).
Tito Aureliano, Matheus P. S. Rocha, Francisco P. Lima‐Filho, Aline M. Ghilardi   +3 more
wiley   +1 more source

Reconstructing the archosaur radiation using a Middle Triassic archosauriform tooth assemblage from Tanzania [PDF]

PeerJ, 2019
Following the Permo–Triassic mass extinction, Archosauriformes—the clade that includes crocodylians, birds, and their extinct relatives outside crown Archosauria—rapidly diversified into many distinct lineages, became distributed globally, and, by the ...
Devin K. Hoffman, Hunter R. Edwards, Paul M. Barrett, Sterling J. Nesbitt   +3 more
doaj   +2 more sources

Osteohistology of two phorusrhacids reveals uninterrupted growth strategy

The Anatomical Record, EarlyView.
Abstract Phorusrhacidae were apex predators that primarily dominated South America ecosystems for at least 40 million years with their imposing size and predatory lifestyle—yet some aspects of their biology remain poorly understood. Osteohistology is a tool for understanding growth dynamics and biomechanical adaptations.
Lotta Dreyer, Christian Cooper, Jingmai O'Connor   +2 more
wiley   +1 more source

A re-evaluation of the enigmatic dinosauriform Caseosaurus crosbyensis from the Late Triassic of Texas, USA and its implications for early dinosaur evolution [PDF]

Acta Palaeontologica Polonica, 2018
The holotype specimen of the Late Triassic dinosauriform Caseosaurus crosbyensis is redescribed and evaluated phylogenetically for the first time, providing new anatomical information and data on the earliest dinosaurs and their evolution within the ...
Matthew G. Baron, Megan E. Williams
doaj   +1 more source

Nasal soft‐tissue anatomy of Triceratops and other horned dinosaurs

The Anatomical Record, EarlyView.
Abstract Although ceratopsid dinosaurs possess a characteristically hypertrophied narial region, soft‐tissue anatomy associated with such a skeletal structure and their biological significance remain poorly understood. The present study provides the first comprehensive hypothesis on the soft‐tissue anatomy in the ceratopsid rostrum based on the Extant ...
Seishiro Tada, Takanobu Tsuihiji, Hiroki Ishikawa, Noriyuki Wakimizu, Soichiro Kawabe, Kodai Sakane   +5 more
wiley   +1 more source

Neuroanatomy of Gryposuchus neogaeus (Crocodylia, Gavialoidea): a first integral description of the braincase and endocranial morphological variation in extinct and extant gavialoids [PDF]

, 2017
Fil: Bona, Paula. División Paleontología Vertebrados. Facultad de Ciencias Naturales y Museo. Universidad Nacional de La Plata; ArgentinaFil: Carabajal, Ariana Paulina. Instituto de Investigaciones en Biodiversidad y Medioambiente (INIBIOMA). Universidad
Bona, Paula, Brandoni de Gasparini, Zulma Nélida, Carabajal, Ariana Paulina   +2 more
core   +2 more sources

A second species of non‐crocodyliform crocodylomorph from the Late Triassic fissure deposits of southwestern UK: Implications for locomotory ecological diversity in Saltoposuchidae

The Anatomical Record, EarlyView.
Abstract The Late Triassic–Early Jurassic fissures of the Bristol Channel area (southwest England and south Wales) are renowned for their diverse vertebrate faunas. These assemblages have yielded an array of predominantly small‐bodied forms that are crucial to our understanding of the early evolution of several major tetrapod clades.
Ewan H. Bodenham, Stephan N. F. Spiekman, Susannah C. R. Maidment, Paul Upchurch, Philip D. Mannion   +4 more
wiley   +1 more source

A Phylogenomic Approach to Vertebrate Phylogeny Supports a Turtle-Archosaur Affinity and a Possible Paraphyletic Lissamphibia [PDF]

, 2014
In resolving the vertebrate tree of life, two fundamental questions remain: 1) what is the phylogenetic position of turtles within amniotes, and 2) what are the relationships between the three major lissamphibian (extant amphibian) groups?
Boussau, Bastien, Brown, Jeremy M., Fong, Jonathan J., Fujita, Matthew   +3 more
core   +1 more source