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Ergilemys insolitus
Taxonomy
Testudo insolitus was named by Matthew and Granger (1923). Its type specimen is A.M. No. 6275, a partial shell (parts of carapace and plastron of several individuals), and it is not a trace fossil. Its type locality is Ergilin Dzo [AMNH], which is in an Eocene terrestrial sandstone in the Ergilin Dzo Formation of Mongolia.
It was recombined as Geochelone insolitus by Mlynarski (1969) and Crumly (1983); it was considered a nomen dubium by Auffenberg (1962); it was recombined as Ergilemys insolitus by Matthew and Granger (1923), Ckhikvadze (1972) and Vlachos and Rabi (2018).
It was recombined as Geochelone insolitus by Mlynarski (1969) and Crumly (1983); it was considered a nomen dubium by Auffenberg (1962); it was recombined as Ergilemys insolitus by Matthew and Granger (1923), Ckhikvadze (1972) and Vlachos and Rabi (2018).
Synonymy list
| Year | Name and author |
|---|---|
| 1923 | Ergilemys insolitus Matthew and Granger |
| 1923 | Testudo insolitus Matthew and Granger p. 5 |
| 1969 | Geochelone insolitus Mlynarski p. 87 |
| 1972 | Ergilemys insolitus Ckhikvadze |
| 1983 | Geochelone insolitus Crumly |
| 2018 | Ergilemys insolitus Vlachos and Rabi p. 663 |
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If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.
†Ergilemys insolitus Matthew and Granger 1923
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| M. Mlynarski 1969 | A large land species with a carapace strongly convex. Bony plates thick and massive; sculpture of shields indistinct or quite invisible. The sulci of lateral shields on the surface ofthe pleural plates are narrow grooves witfiraised edges. Praecentrale large, flattened, as if pressed into proneurale 1 . Neurals tetra-, octa- and hexagonal ; pygals and metaneurals unknown. Plastron large, stout, with broad bridge; plastrallobes immobile. The poorly thickened epiplastra do not form fossa epiplastralis, the gular region is not" projected. The entoplastron is not crossed by the humeropectoral sulcus, the pectorals are narrow, narrower than the other plates of the plastron. The anals have characteristic lateral edges, which are directed caudad; the anal notch is small. Skull and skeletal bones unknown. Shell length to about 650 mm . |