Where: Okinawa, Japan (26.1° N, 127.7° E: paleocoordinates 26.3° N, 127.5° E)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Shinzato Formation (Shimajiri Group), Gelasian (2.6 - 1.8 Ma)

• The uppermost part of the Shimajiri Group. Shinzato member (now formation) spans calcareous nannoplankton zones CN12b just to the base of CN13, and planktonic foram zones PL5 and PL6 (Ujiié, 1994), indicating a Gelasian age.

• bed-level stratigraphic resolution

Environment/lithology: deep-water; poorly lithified, tuffaceous, gray, silty, sandy claystone

Size class: macrofossils

Preservation: original aragonite

Collected by Raymond A. Saplis; reposited in the USNM

Collection methods: quarrying,

Primary reference: G. A. Cooper. 1957. Tertiary and Pleistocene Brachiopods of Okinawa, Ryukyu Islands. United States Geological Survey Professional Paper 314(A):1-20 [A. Hendy/A. Hendy]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 42186: authorized by Austin Hendy, entered by Austin Hendy on 25.07.2004, edited by Matthew Clapham

Creative Commons license: CC BY (attribution)