A Review of the Fossil Record of Turtles of the Clade Thalassochelydia

@article{Anquetin2017ARO,
  title={A Review of the Fossil Record of Turtles of the Clade Thalassochelydia},
  author={J{\'e}r{\'e}my Anquetin and Christian P{\"u}ntener and Walter G. Joyce},
  journal={Bulletin of the Peabody Museum of Natural History},
  year={2017},
  volume={58},
  pages={317 - 369}
}
Abstract The Late Jurassic (Oxfordian to Tithonian) fossil record of Europe and South America has yielded a particularly rich assemblage of aquatic pan-cryptodiran turtles that are herein tentatively hypothesized to form a monophyletic group named Thalassochelydia. Thalassochelydians were traditionally referred to three families, Eurysternidae, Plesiochelyidae, and Thalassemydidae, but the current understanding of phylogenetic relationships is insufficient to support the monophyly of either… 

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  • W. JoyceJ. Anquetin
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  • 2019
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References

SHOWING 1-10 OF 79 REFERENCES

A taxonomic review of the Late Jurassic eucryptodiran turtles from the Jura Mountains (Switzerland and France)

An exhaustive reassessment of the available material provides new insights into the comparative anatomy of these turtles, which calls into question the traditional definitions of the Thalassemydidae and Eurysternidae.

Phylogenetic Relationships of Mesozoic Turtles

This revised topology has important implications for the evolution of several character complexes, because it implies that the common ancestor of all living turtles must have had a partially braced brain case and a primitive trochlear mechanism.

New data on the poorly-known Late Jurassic European turtles Thalassemys and Enaliochelys and description of a new basal eucryptodiran taxon

The detailed study of a British specimen preliminarily attributed to the plesiochelyid “Pelobatochelys” allows this attribution to be refuted and it is recognized as the only confirmed specimen of the genus Thalassemys outside Central Europe.

A new Late Jurassic turtle from Spain: phylogenetic implications, taphonomy and palaeoecology

A new genus and species of Late Jurassic turtle, Hispaniachelys prebetica gen. et sp.

Reassessment of the phylogenetic interrelationships of basal turtles (Testudinata)

Perhaps the most salient conclusion of the present study is the placement of Naomichelys speciosa as a basal member of a clade uniting meiolaniids, Mongolochelys efremovi and Otwayemys cunicularius.

New data on the poorly-known European Late Jurassic turtles "Thalassemys" and "Enaliochelys" and description of a new basal eucryptodiran taxon

The detailed study of a British specimen preliminarily attributed to the plesiochelyid “ Pelobatochelys ” allows this attribution to be refuted and it is recognized as the only confirmed specimen of the genus Thalassemys outside Central Europe.

The Oldest African Eucryptodiran Turtle from the Cretaceous of Angola

Bootstrap analysis suggests those four taxa together form a previously unrecognized monophyletic clade of marine turtles, herein named Angolachelonia clade nov., supported by the following synapomorphies: mandibular articulation of quadrate aligned with or posterior to the occiput, and basisphenoid not visible or visibility greatly reduced in ventral view.

A new pancryptodiran turtle from the Late Jurassic of Poland and palaeobiology of early marine turtles

A new pancryptodiran turtle genus and species, Owadowia borsukbialynickae, is described from the uppermost Jurassic (Tithonian, ca. 148 Ma) carbonate sediments of the Kcynia Formation in Owadow-Brzezinki Quarry, near Tomaszow Mazowiecki in central Poland and it is proposed that the new specimen belongs to a new durophagous pancrypto-turtle taxon.

Oldest known sea turtle

The discovery of an exceptionally well-preserved skeleton of the oldest known chelonioid, from the Early Cretaceous stage (about 110 million years before the present), of eastern Brazil is reported, supporting the idea that the establishment of the salt-excreting system, and the occupation of a marine habitat, may have preceded the formation of rigid paddles in the history ofChelonioids.
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