Results 21 to 30 of about 290 (172)

Triassic turtles of France: the first European Rhaetian stem turtle taxon (clades Testudinata, Proterochersidae) [PDF]

open access: yesSwiss Journal of Palaeontology
The earliest turtles (clade Testudinata) are known from the Norian (middle Late Triassic) and soon after their appearance they became speciose and widespread.
Tomasz Szczygielski   +3 more
doaj   +3 more sources

Homeotic shift at the dawn of the turtle evolution [PDF]

open access: yesRoyal Society Open Science, 2017
All derived turtles are characterized by one of the strongest reductions of the dorsal elements among Amniota, and have only 10 dorsal and eight cervical vertebrae.
Tomasz Szczygielski
doaj   +1 more source

Testudinata Oppel 1811

open access: yes, 2009
ORDER TESTUDINATA Oppel, 1811 6F/9G (15) FAMILY CHELONIIDAE J. E. Gray, 1825 4G (5) Caretta Rafinesque, 1814 (1) Caretta caretta (Linné, 1758) (755) Chelonia Brongniart, 1800 (2) Chelonia agassizii Bocourt, 1868 (756) Chelonia mydas (Linné, 1758) (758) Eretmochelys Fitzinger, 1843 (1) Eretmochelys imbricata (Linné, 1766) (759) Lepidochelys Fitzinger ...
Savage, Jay M., Bolaños, Federico
openaire   +2 more sources

Notice of some extinct Testudinata [PDF]

open access: yesAmerican Journal of Science, 1890
n ...
openaire   +1 more source

Georeferencing fossiliferous localities from Solimões and Acre Basins (Brazil) - what we know so far about Solimões Formation and future perspectives

open access: yesAnais da Academia Brasileira de Ciências, 2021
The Solimões and Acre basins are complex geological units related to the Andean uplift, covering the Northwestern region of Brazil, being one of the most important units due to their fossil diversity.
MAURO B.S. LACERDA   +3 more
doaj   +1 more source

A reevaluation of the basal turtle Indochelys spatulata from the Early–Middle Jurassic (Toarcian–Aalenian) of India, with descriptions of new material [PDF]

open access: yesPeerJ, 2020
Background Indochelys spatulata is an extinct turtle from the Early to Middle Jurassic Kota Formation of the Pranhita–Godavari Gondwana basin, India. The holotype and previously only known specimen is a partially eroded shell that had been collected near
Walter G. Joyce, Saswati Bandyopadhyay
doaj   +2 more sources

A new meiolaniform turtle from the Maastrichtian of Northern Patagonia, Argentina

open access: yesActa Palaeontologica Polonica
Meiolaniformes are a group of chelonians including the famous horned-turtles Niolamia argentina (Patagonia) and Meiolania platyceps (Australia). In South America, the Late Cretaceous meiolaniforms are represented by two named taxa: Patagoniaemys ...
Federico L. Agnolin   +5 more
doaj   +1 more source

Shell Anomalies in the European Aquatic Stem Turtle Pleurosternon bullockii (Paracryptodira, Pleurosternidae)

open access: yesDiversity, 2021
The uppermost Jurassic to lowermost Cretaceous stem turtle Pleurosternon bullockii is the pleurosternid (Testudinata, Paracryptodira) known by the largest number of specimens worldwide, composing the largest European collection of Lower Cretaceous ...
Andrea Guerrero, Adán Pérez-García
doaj   +1 more source

Hydrachna testudinata Cook 1967

open access: yes, 2017
Published as part of SAVATENALINTON, SUKONTHIP & SMIT, HARRY, 2017, New records of water mites from standing waters in Thailand, with the description of nine new species (Acari: Hydrachnidia), pp.
SAVATENALINTON, SUKONTHIP, SMIT, HARRY
openaire   +1 more source

Symmetry-Breaking Stabilities in Carapace Curvature on Testudo (Reptilia, Testudinidae)

open access: yesAnimals, 2022
The aim of this research was to contribute to the study of the doming geometry of Testudo carapace as an unstable point of equilibrium when animals are overturned.
Pere M. Parés-Casanova   +3 more
doaj   +1 more source

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