Results 111 to 120 of about 352 (136)

Triassic-Jurassic mass extinction as trigger for the Mesozoic radiation of crocodylomorphs. [PDF]

Biol Lett, 2013
Toljagic O, Butler RJ.
europepmc   +1 more source

Bone histology and growth curve of the earliest ceratopsian Yinlong downsi from the Upper Jurassic of Junggar Basin, Northwest China. [PDF]

PeerJ
Han F, Zhao Q, Hu J, Xu X.
europepmc   +1 more source

Rapid canalisation of mandible structure in Tetrapoda

Watt EC, Felice RN, Goswami A.
europepmc   +1 more source

The first braincase of the basal aetosaur Aetosauroides scagliai (Archosauria: Pseudosuchia) from the Upper Triassic of Brazil

Journal of Vertebrate Paleontology, 2021
The phylogenetic relationships of Pseudosuchia, the crocodile-line of Archosauria, are still poorly resolved, in part, due to the lack of crucial braincase information for several key taxa.
Voltaire D Paes Neto, Julia B Desojo, Ana Carolina Biacchi Brust   +2 more
exaly   +4 more sources

A new protosuchid crocodyliform (Pseudosuchia, Crocodylomorpha) from the Norian Los Colorados Formation, northwestern Argentina [PDF]

Journal of Vertebrate Paleontology, 2018
Protosuchids are known from the Late Triassic to the Early Cretaceous and form a basal clade of Crocodyliformes. We report here a new protosuchid crocodyliform, Coloradisuchus abelini, gen. et sp.
Ricardo N Martinez, OSCAR A Alcober, Diego Pol   +2 more
exaly   +4 more sources

Novel data on aetosaur (Archosauria, Pseudosuchia) osteoderm microanatomy and histology: palaeobiological implications

Palaeontology, 2018
One of the most striking features of aetosaurs is the possession of an extensive bony armour composed of dorsal, ventral and appendicular osteoderms.
Ignacio A Cerda, Julia B Desojo, Torsten M Scheyer   +2 more
exaly   +6 more sources

A new archosaur from the Manda beds (Anisian, Middle Triassic) of southern Tanzania and its implications for character state optimizations at Archosauria and Pseudosuchia

Journal of Vertebrate Paleontology, 2014
The presence of early pseudosuchians and avemetatarsalians in Anisian beds of Africa demonstrates that the archosaur radiation was well underway by the beginning of the Middle Triassic.
Sterling J Nesbitt, Christian A Sidor, Kenneth D Angielczyk   +2 more
exaly   +2 more sources

Pseudosuchia: Masters of survival and diversification

Anatomical Record
AbstractIn the context of an increasing interest for Pseudosuchia, we have compiled a Special Issue, comprising 14 collaborative studies that deepen our understanding of pseudosuchian evolution. These contributions range from the description of a new taxon to exhaustive reviews of thermometabolism, morphological adaptation, systematics, and detailed ...
Jorge Cubo, Holly N Woodward
exaly   +4 more sources

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A survey of skeletal elements in the orbit of Pseudosuchia and the origin of the crocodylian palpebral

Earth and Environmental Science Transactions of the Royal Society of Edinburgh, 2012
ABSTRACTOssified skeletal elements within the orbit, such as scleral ossicles, palpebrals, supraorbitals and sesamoids, are widespread across Reptilia, including extant members of Crocodylia, Aves, Squamata and Chelonia. Extant crocodylians lack scleral ossicles, but have a unique palpebral that has recently been shown, through developmental studies ...
Sterling J. Nesbitt, Alan H. Turner, Jonathan C. Weinbaum   +2 more
openaire   +1 more source

Axial skeleton ontogeny in the Parasuchia (Archosauria: Pseudosuchia) and its implications for ontogenetic determination in archosaurs

Journal of Vertebrate Paleontology, 2007
Abstract The sequence of neurocentral suture closure is one criterion for the determination of ontogenetic stage in extant crocodylians. This pattern is frequently used to assess ontogeny for a variety of fossil archosaurs that may or may not follow the same sequence and timing of suture closure.
Randall B Irmis
exaly   +2 more sources