Left bank of the Aridagawa River (Cretaceous of Japan)

Also known as Arida, Sho, Aridagawa-cho, Loc. 0101

Where: Wakayama, Japan (34.1° N, 135.2° E: paleocoordinates 42.8° N, 124.5° E)

• coordinate based on nearby landmark

When: Toriyashiro Formation (Sotoizumi Group), Campanian (83.6 - 72.1 Ma)

Environment/lithology: marine; sandstone

Size class: macrofossils

Collection methods: Material stored in Wakayama Prefectural Museum of Natural History

Primary reference: R. Hirayama and M. Obara. 2024. A chelonioid marine turtle from the Upper Cretaceous of Wakayama Prefecture, south-western Japan. Bulletin of Wakayama Prefectural Museum of Natural History 42:66-68more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 236691: authorized by Evangelos Vlachos, entered by Evangelos Vlachos on 21.10.2024

Creative Commons license: CC BY (attribution)

Taxonomic list

Reptilia
 Testudines - Dermochelyidae
Mesodermochelys sp. Hirayama and Chitoku 1996 leatherback
WMNH-Ge-1140240001, Carapace