Thalassemys hugii Rütimeyer 1873 (turtle)

Reptilia - Testudinata

With the exception of the lectotype, it is unclear which other specimens once formed the syntype series.

Synonyms: Eurysternum ignoratum Bräm 1965, Solnhofia ignoratum Bräm 1965, Thalassemys gresslyi Rütimeyer 1873

Full reference: L. Rütimeyer. 1873. Die fossilen Schildkröten von Solothurn und der übrigne Juraformation. Abdruck aus den Neuen Denkschriften der Schweiz. naturforsch. Gesellschaft 25:1-185

Belongs to Thalassemys according to J. Anquetin et al. 2017

See also Anquetin et al. 2014, Bräm 1965, Joyce 2000, Karl et al. 2012, Lapparent de Broin et al. 1996, Lydekker 1889 and Rütimeyer 1873

Sister taxa: Thalassemys bruntrutana, Thalassemys carva

Type specimens:

  • Thalassemys hugii: NMS 8595 to NMS 8609 (lectotype; formerly NMS 1), a partial skeleton (A large carapace plus associated plastron fragments and postcranial remains). Its type locality is Cirin, Ain, BMNH Coll., which is in a Kimmeridgian marine horizon in France.
  • Eurysternum ignoratum: NMS 8612 to NMS 8627 (holotype; formerly NMS 5), a partial skeleton (disarticulated and fragmentary remains of the shell and postcranium, including three costals, the hyoplastra, the scapulae, a humerus, and the pubes). Its type locality is Limestone quarry within or around Solothurn, which is in a Kimmeridgian shallow subtidal limestone in the Reuchenette Formation of Switzerland.
  • Thalassemys gresslyi: NMS 8555 (holotype), a partial shell (anterior part of a large, partly disarticulated carapace). Its type locality is Limestone quarry within or around Solothurn, which is in a Kimmeridgian shallow subtidal limestone in the Reuchenette Formation of Switzerland.

Ecology:

Distribution:

• Jurassic of France (1 collection), Switzerland (3), the United Kingdom (1)

Total: 5 collections including 7 occurrences

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