Results 71 to 80 of about 2,961 (200)

New perspectives on head and neck allometry and ecomorphology in tetrapods

open access: yesBiological Reviews, Volume 101, Issue 2, Page 665-694, April 2026.
ABSTRACT The skull and neck are vital parts of the body, influencing feeding ecology, habitat exploitation and locomotion. Numerous studies have therefore sought to understand how the size of these segments vary with ecology and scale with overall body size.
Alice E. Maher   +4 more
wiley   +1 more source

Disk Covering Methods Improve Phylogenomic Analyses [PDF]

open access: yes, 2014
Motivation: With the rapid growth rate of newly sequenced genomes, species tree inference from multiple genes has become a basic bioinformatics task in comparative and evolutionary biology.
Bayzid, Md Shamsuzzoha   +2 more
core   +1 more source

A comprehensive embryonic staging series of the turtle Trachemys scripta

open access: yesDevelopmental Dynamics, Volume 255, Issue 3, Page 260-320, March 2026.
Abstract Background Turtles hold a unique place in vertebrate evolutionary history, making them critical assets in embryology research. Yet, they remain understudied as potential model organisms in the field. Here, to support experimental manipulations with turtle embryos, we have created a complete normal table of development for comprehensive ...
Christina M. Noravian   +6 more
wiley   +1 more source

The histology of rhynchosaur (Diapsida, Archosauromorpha) ankylothecodonty

open access: yesJournal of Anatomy, Volume 248, Issue 3, Page 526-540, March 2026.
Dental evolution is a major topic in vertebrate palaeontology and provides key insights into the evolutionary history of several amniote clades. This study investigates rhynchosaur ankylothecodonty within the broader evolutionary context of Archosauromorpha.
Gabriel Mestriner   +7 more
wiley   +1 more source

REMAINS OF A JUVENILE PHYTOSAUR FROM THE LATE TRIASSIC OF NORTHERN ITALY

open access: yesRivista Italiana di Paleontologia e Stratigrafia, 2008
A series of nine articulated caudal vertebrae collected from the Late Norian Argillite di Riva di Solto Shale (Bergamo, Northern Italy) are described.
SILVIO RENESTO
doaj   +1 more source

New information on Late Triassic sauropodomorph dinosaurs provides support for the independent acquisition of postcranial skeletal pneumaticity in avemetatarsalian lineages

open access: yesJournal of Anatomy, Volume 248, Issue 3, Page 541-578, March 2026.
PSP in early‐branching sauropodomorphs probably evolved first in the neural arches of the posterior cervical vertebrae, expanding anteriorly and posteriorly along the vertebral column. The distribution of PSP in Late Triassic early‐branching sauropodomorphs does not appear to be correlated with body size.
Samantha L. Beeston   +5 more
wiley   +1 more source

A new phylogenetic analysis of Phytosauria (Archosauria: Pseudosuchia) with the application of continuous and geometric morphometric character coding [PDF]

open access: yesPeerJ, 2018
Phytosauria is a clade of large, carnivorous, semi-aquatic archosauromorphs which reached its peak diversity and an almost global distribution in the Late Triassic (c. 230–201 Mya).
Andrew S. Jones, Richard J. Butler
doaj   +2 more sources

The history, systematics, and nomenclature of Thalattosuchia (Archosauria: Crocodylomorpha)

open access: yesZoological Journal of the Linnean Society
Abstract The use of more than one nomenclatural code is becoming increasingly common in some biological sub-disciplines. To minimize nomenclatural instability, we have decided to establish a higher level systematization for Thalattosuchia under both the International Code of Phylogenetic Nomenclature (‘PhyloCode’) and the International ...
Mark T Young   +12 more
openaire   +3 more sources

Arthrological reconstructions of the pterosaur neck and their implications for the cervical position at rest [PDF]

open access: yesPeerJ
The lack of any pterosaur living descendants creates gaps in the knowledge of the biology of this group, including its cervical biomechanics, which makes it difficult to understand their posture and life habits.
Richard Buchmann, Taissa Rodrigues
doaj   +2 more sources

Braincase anatomy and palaeoneurology of Venetoraptor gassenae, a lagerpetid pterosauromorph from the Late Triassic of southern Brazil

open access: yesPalaeontology, Volume 69, Issue 2, 2026.
Abstract There is a growing consensus that pterosaurs and the flightless Lagerpetidae are closely related. This relationship is supported by apomorphies throughout the skeleton, including endocranial character states such as a well‐developed floccular fossa and a tall anterior semicircular canal. Our knowledge of lagerpetid anatomy has been improved by
Lísie V.S. Damke   +6 more
wiley   +1 more source

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