Yuda (Miocene of Japan)

Where: Iwate, Japan (39.3° N, 140.8° E: paleocoordinates 42.1° N, 138.2° E)

• coordinate estimated from map

When: Yuda Formation, Middle Miocene (16.0 - 11.6 Ma)

• formation-level stratigraphic resolution

Environment/lithology: marine; tuffaceous sandstone

• a bed of tufaceous sandstone

Size class: macrofossils

Primary reference: H. Matsumoto. 1918. A contribution to the morphology, paleobiology and systematic of Desmostylus. Science reports of the Tohoku Imperial University, Sendai Japan 3:61-74 [M. Uhen/M. Uhen]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 46041: authorized by Mark Uhen, entered by Mark Uhen on 22.12.2004

Creative Commons license: CC BY (attribution)

Taxonomic list

Mammalia
 Perissodactyla - Desmostylidae
"Desmostylella typica n. gen. n. sp." = Desmostylus hesperus3, Desmostylus cf. japonicus1, Desmostylus japonicus4
"Desmostylella typica n. gen. n. sp." = Desmostylus hesperus3 Marsh 1888 desmostylian
Desmostylus cf. japonicus1 Tokunaga and Iwasaki 1914 desmostylian
Desmostylus japonicus4 Tokunaga and Iwasaki 1914 desmostylian
 Cetacea -
"Ontocetus oxymycterus" = Albicetus oxymycterus2
"Ontocetus oxymycterus" = Albicetus oxymycterus2 Kellogg 1925 toothed whale