Reptilia - Testudines - Chelidae

Alternative combinations: Naiadochelys maior, Najadochelys maior, Najadochelys major

Synonym: Osteopygis sculptus Staesche 1929

Full reference: K. Staesche. 1929. Schildkrötenreste aus der oberen Kreide Patagoniens. Palaeontographica 72:103-112

Belongs to Yaminuechelys according to I. J. Maniel and M. S. de la Fuente 2016

See also Bona and de la Fuente 2005, de la Fuente et al. 2014, Gaffney et al. 2006 and Staesche 1929

Sister taxa: Yaminuechelys gasparinii, Yaminuechelys sulcipeculiaris

Type specimens:

• Yaminuechelys maior: MPEF PV-1273, a partial skeleton (shell fragments). Its type locality is Cerro Hansen, which is in a Danian terrestrial horizon in the Salamanca Formation of Argentina.
• Osteopygis sculptus: NMB uncat., a partial shell. Its type locality is Punta Peligro, which is in a Danian mire/swamp claystone/conglomerate in the Salamanca Formation of Argentina.

Distribution:

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Specimen images are retrieved through the ePANDDA API.