Chelonides

Chelonides
Temporal range: Kimmeridgian
Scientific classification Edit this classification
Kingdom: Animalia
Phylum: Chordata
Class: Reptilia
Clade: Pantestudines
Clade: Testudinata
Clade: †Thalassochelydia
Family: †Eurysternidae
Genus: †Chelonides
Maack, 1869
Type species
Chelonides wittei
Maack, 1869

Chelonides is a genus of late Jurassic turtle from marine deposits in Lower Saxony, Germany.

Taxonomy

The name Chelonides wittei was coined by Maack (1869) for a partial shell (GZG 773–1) a partial skull (GZG 773–2), and isolated shell and girdle elements (GZG 773–3 to 773–17) from Hannover, northwestern Germany.[1] Later, Portis (1878) erected a second species, C. robusta, for elements of the shell (GZG 769–11 to 769–19). Hay (1905) considered Chelonides preoccupied without comment and erected Anaphotidemys as a replacement. Kuhn (1964) mistakenly considered the genus preoccupied by Chelonides Boisduval, 1840, a tribe of nocturnal lepidopterans. In their overview of Upper Jurassic and Early Cretaceous turtles from northwestern Germany, Karl et al. (2007) treated the two nominal Chelonides species as synonymous with the plesiochelyid Plesiochelys without justification. A 2017 overview of thalassochelydians, however, indicates that Chelonides is a valid genus of eurysternid, although, C. robusta is a nomen dubium.[2][3]

References

  1. ^ Maack GA. 1869. Die bis jetzt bekannten fossilen Schildkröten und die im oberen Jura bei Kelheim (Bayern) und Hannover neu aufgefundenen ältesten Arten derselben. Palaeontographica 18:193-338.
  2. ^ Karl H-V, Staesche U, Tichy G, Lehmann J, Peitz S. 2007. Systematik der Schildkröten (Anapsida: Chelonii) aus Oberjura und Unterkreide von Nordwestdeutschland. Geologisches Jahrbuch B 98:5-89.
  3. ^ Anquetin, J., Puntener, C., and Joyce, W.G., 2017. A review of the fossil record of turtles of the clade Thalassochelydia. Bulletin of the Peabody Museum of Natural History 58 (2):317-369.
  • "Chelonides". The Encyclopedia of Life.


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