Trionyx miensis Okazaki and Yoshida 1977 (softshell turtle)

Reptilia - Testudines - Trionychidae

Full reference: Y. Okazaki and S. Yoshida. 1977. On a new fossil Trionyx from the Pliocene Age Group, Mie Prefecture, West Japan. Bulletin of the Mizunami Fossil Museum 4:87-95

Belongs to Trionyx according to G. L. Georgalis and W. G. Joyce 2017

See also Hirayama 2007 and Okazaki and Yoshida 1977

Sister taxa: Trionyx admirabilis, Trionyx aequa, Trionyx allani, Trionyx austerus, Trionyx baynshirensis, Trionyx beecheri, Trionyx boulengeri, Trionyx capellinii, Trionyx dissolutus, Trionyx ellipticus, Trionyx eloisae, Trionyx foveatus, Trionyx gangeticus, Trionyx gilbentuensis, Trionyx gobiensis, Trionyx gregarius, Trionyx henrici, Trionyx ikoviensis, Trionyx impressus, Trionyx jixiensis, Trionyx johnsoni, Trionyx kansaiensis, Trionyx latus, Trionyx leucopotamicus, Trionyx linchuensis, Trionyx messelianus, Trionyx minusculus, Trionyx miocaenus, Trionyx mira, Trionyx ninae, Trionyx onomatoplokos, Trionyx phayrei, Trionyx pliocenicus, Trionyx reesidei, Trionyx riabinini, Trionyx robustus, Trionyx shiluutulensis, Trionyx silvestris, Trionyx singularis, Trionyx triunguis, Trionyx uintaensis, Trionyx vegetus, Trionyx vindobonensis

Type specimen: MFM-P1101, a partial skull. Its type locality is Kitakoyama boulder, which is in a Pliocene fluvial-lacustrine siltstone in the Kameyama Formation of Japan.

Ecology: aquatic piscivore-carnivore

Distribution: found only at Kitakoyama boulder

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Specimen images are retrieved through the ePANDDA API.


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