Where: Ibaraki, Japan (36.6° N, 140.6° E)

• Paleocoordinates: 36.4° N, 138.3° E (Wright 2013)

• coordinate based on nearby landmark

When: Kokubu Formation, Serravallian (13.8 - 11.6 Ma)

• or Hase

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithology not reported

Size class: macrofossils

Primary reference: N. Kohno. 1996. Miocene pinniped Allodesmus (Mammalia: Carnivora); with special reference to the "Mito seal" from Ibaraki Prefecture, Central Japan. Transactions and Proceedings of the Palaeontological Society of Japan, New Series 181:388-404 [M. Uhen/M. Uhen]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 220323: authorized by Mark Uhen, entered by Mark Uhen on 20.05.2021

Creative Commons license: CC0 (CC0)