Umashima Island (Oligocene of Japan)

Where: Fukuoka, Japan (34.0° N, 130.8° E: paleocoordinates 39.3° N, 127.3° E)

• coordinate estimated from map

When: Waita Formation (Ashiya Group), Chattian (28.1 - 23.0 Ma)

Environment/lithology: marine; lithology not reported

Size class: macrofossils

Preservation: original phosphate

Collection methods: surface (in situ),

Primary reference: Y. Okazaki. 1982. A lower Miocene squalodontid from the Ashiya Group, Kyushu, Japan. Bulletin of the Kitakyushu Museum of Natural History 4:107-112 [M. Uhen/M. Uhen/M. Uhen]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 45832: authorized by Mark Uhen, entered by Mark Uhen on 07.12.2004, edited by John Alroy

Creative Commons license: CC BY (attribution)

Taxonomic list

Mammalia
 Perissodactyla - Amynodontidae
? Amynodon sp. Marsh 1877 odd-toed ungulate
 Cetacea -
Metasqualodon symmetricus n. sp. Okazaki 1982 whale
Reptilia
 Testudines -
"Chelonia indet." = Testudines
"Chelonia indet." = Testudines Batsch 1788 turtle
Aves
 Suliformes - Plotopteridae
Copepteryx hexeris Olson and Hasegawa 1996 bird