Otake Quarry (Pleistocene of Japan)

Also known as Yoshitaka, Inba, Inba-mura

Where: Chiba, Japan (35.8° N, 140.2° E: paleocoordinates 35.8° N, 140.2° E)

• coordinate estimated from map

When: lower Member (Kioroshi Formation), Middle Pleistocene (0.8 - 0.1 Ma)

Environment/lithology: estuary or bay; poorly lithified, coarse-grained sandstone

• inner bay, drowned basal valley
• rudaceous sand

Size class: macrofossils

Preservation: original phosphate

Primary reference: K. Nagasawa and Y. Mitani. 2004. A humpback whale, Megaptera novaeangliae (Borowski, 1781), from the Pleistocene Kioroshi Formation of Inba-mura, Chiba Prefecture, central Japan. Paleontological Research 8(3):155-165 [M. Uhen/M. Uhen]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 96893: authorized by Mark Uhen, entered by Mark Uhen on 08.07.2010

Creative Commons license: CC BY (attribution)

Taxonomic list

Mammalia
 Cetacea - Balaenopteridae
Megaptera novaeangliae Brisson 1762 humpback whale