Wakamatsu (Oligocene of Japan)

Where: Fukuoka, Japan (33.9° N, 130.7° E: paleocoordinates 39.2° N, 127.2° E)

• coordinate estimated from map

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

Environment/lithology: marine; lithology not reported

Size class: macrofossils

Primary reference: Y. Okazaki. 1987. Additional materials of Metasqualodon symmetricus (Cetacea: Mammalia) from the Oligocene Ashiya Japan. Bulletin of the Kitakyushu Museum of Natural History 7:133-138 [M. Uhen/M. Uhen/M. Uhen]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 45834: authorized by Mark Uhen, entered by Mark Uhen on 07.12.2004

Creative Commons license: CC BY (attribution)

Taxonomic list

Mammalia
 Cetacea - Patriocetidae
? Patriocetus sp. Abel 1914 toothed whale
This specimen was reported in Matsumoto (1923), but there was no pictures or illustrations. The original specimen was already lost.
 Cetacea - Squalodontidae
Squalodontidae indet. Brandt 1873 toothed whale
 Cetacea -
Metasqualodon symmetricus Okazaki 1982 whale
 Sirenia - Dugongidae
Dugongidae indet. Gray 1821 dugong
Reptilia
 Testudines -
"Chelonia indet." = Testudines
"Chelonia indet." = Testudines Batsch 1788 turtle
Aves
 Suliformes - Plotopteridae
Plotopteridae indet. Howard 1969 bird