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
Show authors, comments, and common names
Mammalia | |
? Amynodon sp. Marsh 1877 odd-toed ungulate | |
Metasqualodon symmetricus n. sp.
Metasqualodon symmetricus n. sp. Okazaki 1982 whale | |
Reptilia | |
"Chelonia indet." = Testudines
"Chelonia indet." = Testudines Batsch 1788 turtle | |
Aves | |
Copepteryx hexeris Olson and Hasegawa 1996 bird |