Eurysternum

<i>Eurysternum</i>

Eurysternum

Extinct genus of turtles


Eurysternum is an extinct genus of thalassochelydian turtle.[1] Its type species is Eurysternum wagleri,[2] the holotype of which has since been lost and only survives in illustrations.[3]

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Fossil in Museum für Naturkunde, Berlin

Formerly assigned species

Eurysternum ignoratum Bram, 1965 is a junior synonym of Thalassemys hughii.[4] The Late Jurassic species Eurysternum neuquinum Fernandez and de la Fuente, 1988, described from marine deposits in Argentina, is now placed in its own genus Neusticemys.[5]


References

  1. Anquetin, J.; Püntener, C.; Joyce, W. G. (2017). "A Review of the Fossil Record of Turtles of the Clade Thalassochelydia" (PDF). Bulletin of the Peabody Museum of Natural History. 58 (2): 317–369. doi:10.3374/014.058.0205. S2CID 31091127.
  2. Karl Cäsar von Leonhard (1861). Neues Jahrbuch für Mineralogie, Geognosie, Geologie und Petrefakten-Kunde. E. Schweizerbart. p. 473.
  3. Walter G. Joyce (2003). "A new Late Jurassic turtle specimen and the taxonomy of Palaeomedusa testa and Eurysternum wagleri" (PDF). PaleoBios. 23 (3): 1–8. Archived from the original (PDF) on 2015-10-01.
  4. J. Anquetin, C. Puntener, and J.-P. Billon-Bruyat. 2014. A taxonomic review of the Late Jurassic eucryptodiran turtles from the Jura Mountains (Switzerland and France). PeerJ 2:e369
  5. M. S. Fernandez and M. S. de la Fuente. 1993. Las tortugas casiquélidias de las calizas litográficas titonianas del área Los Catutos Argentina. Ameghiniana 30(3):283-295.



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