Umagami Cliff (Oligocene of Japan)

Also known as KSM-3

Where: Saga, Japan (33.2° N, 130.1° E: paleocoordinates 39.6° N, 126.0° E)

• coordinate stated in text

When: Kishima Formation (Kishima Group), Rupelian (33.9 - 28.1 Ma)

• early Oligocene

Environment/lithology: marine; sandy mudstone

• sandy mudstone

Size class: macrofossils

Primary reference: H. Karasawa. 1993. Cenozoic Decapod Crustacea from Southwest Japan. Bulletin of the Mizunami Fossil Museum (20)1-92 [C. Schweitzer/E. Johnson]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 202441: authorized by Mark Uhen, entered by Mark Uhen on 11.07.2019

Creative Commons license: CC BY (attribution)

Taxonomic list

Malacostraca
 Decapoda - Ctenochelidae
 Decapoda - Portunidae
Euphylax sp. Stimpson 1862 swimming crab
 Decapoda - Chasmocarcinidae
Collinsius simplex Karasawa 1993 crab