Results 1 to 10 of about 127 (63)

A new phylogenetic hypothesis of Tanystropheidae (Diapsida, Archosauromorpha) and other “protorosaurs”, and its implications for the early evolution of stem archosaurs [PDF]

open access: yesPeerJ, 2021
The historical clade “Protorosauria” represents an important group of archosauromorph reptiles that had a wide geographic distribution between the Late Permian and Late Triassic.
Stephan N.F. Spiekman   +2 more
doaj   +7 more sources

Tanystropheid archosauromorphs in the Lower Triassic of Gondwana [PDF]

open access: yesActa Palaeontologica Polonica, 2018
Tanystropheidae is a clade of early archosauromorphs with a reported distribution ranging from the Early to the Late Triassic of Asia, Europe, and North America.
Tiane Macedo De Oliveira   +4 more
doaj   +12 more sources

The cranial morphology of Tanystropheus hydroides (Tanystropheidae, Archosauromorpha) as revealed by synchrotron microtomography [PDF]

open access: yesPeerJ, 2020
The postcranial morphology of the extremely long-necked Tanystropheus hydroides is well-known, but observations of skull morphology were previously limited due to compression of the known specimens.
Stephan N.F. Spiekman   +6 more
doaj   +8 more sources

A taxonomic revision of the genus Tanystropheus (Archosauromorpha, Tanystropheidae) [PDF]

open access: yesPalaeontologia Electronica, 2019
Tanystropheus represents one of the most characteristic genera of Triassic reptiles and is typified by easily recognizable, hyperelongate cervical vertebrae. First described in 1852, isolated cervical vertebrae and other remains have been referred to the genus and various species have been erected and rejected based on this material.
Spiekman, Stephan, Scheyer, Torsten
core   +12 more sources

A new archosauromorph from South America provides insights on the early diversification of tanystropheids. [PDF]

open access: yesPLoS ONE, 2020
After the Permo-Triassic mass extinction, the archosauromorph fossil record is comparatively abundant and ecologically diverse. Among early archosauromorphs, tanystropheids gained considerable attention due to the presence of extreme skeletal adaptations
Tiane M De-Oliveira   +4 more
doaj   +2 more sources

RAIBLIANIA CALLIGARISI GEN. N., SP. N., A NEW TANYSTROPHEID (DIAPSIDA, TANYSTROPHEIDAE) FROM THE UPPER TRIASSIC (CARNIAN) OF NORTHEASTERN ITALY [PDF]

open access: yesRivista Italiana di Paleontologia e Stratigrafia, 2020
Tetrapod remains are extremely rare in the early Carnian (Late Triassic) Calcare del Predil Formation on the Italian side of the Julian Alps (Friuli Venezia Giulia Autonomous Region), which yielded the Raibl fossil assemblage including the famous "Raibl ...
FABIO MARCO DALLA VECCHIA
doaj   +4 more sources

Extreme neck elongation evolved despite strong developmental constraints in bizarre Triassic reptiles—implications for neck modularity in archosaurs [PDF]

open access: yesRoyal Society Open Science
The Triassic radiation of vertebrates saw the emergence of the modern vertebrate groups, as well as numerous extinct animals exhibiting conspicuous, unique anatomical characteristics.
Adam Rytel   +3 more
doaj   +2 more sources

The locomotor ecomorphology of Mesozoic marine reptiles

open access: yesPalaeontology, Volume 66, Issue 2, March/April 2023., 2023
Abstract The aftermath of the end‐Permian mass extinction provided ecological opportunities for many groups of reptiles, marking the beginning of reptile dominance of the Mesozoic oceans. Clades such as ichthyosaurs, thalattosuchians, sauropterygians, mosasaurs and turtles evolved a remarkable diversity of ecological niches and became important ...
Susana Gutarra   +5 more
wiley   +1 more source

Relative skull size evolution in Mesozoic archosauromorphs: potential drivers and morphological uniqueness of erythrosuchid archosauriforms

open access: yesPalaeontology, Volume 65, Issue 3, May/June 2022., 2022
Abstract Little is known about the large‐scale evolutionary patterns of skull size relative to body size, and the possible drivers behind these patterns, in Archosauromorpha. For example, the large skulls of erythrosuchids, a group of non‐archosaurian archosauromorphs from the Early and Middle Triassic, and of theropod dinosaurs are regarded as ...
Jordan Bestwick   +8 more
wiley   +1 more source

A NEW PROLACERTIFORM REPTILE FROM THE LATE TRIASSIC OF NORTHERN ITALY

open access: yesRivista Italiana di Paleontologia e Stratigrafia, 2017
A new diapsid reptile is described from the locality of Cene (Seriana Valley, near Bergamo, Lombardy, Northern ltaly) from an outcrop of the Calcare di Zorzino (Zorzino Limestone) Formation (Middle Norian, Late Triassic).
SILVIO RENESTO
doaj   +1 more source

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