USGS 17600, Kunjabaru (DF 116) (Pleistocene of Japan)

Where: Okinawa, Japan (26.7° N, 128.0° E: paleocoordinates 26.8° N, 127.9° E)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Nakoshi Formation (Ryukyu Group), Calabrian (1.8 - 0.8 Ma)

• Nakoshi Formation is Calabrian (c. 1.65-1.45 Ma) according to calcareous nannofossil biostratigraphy (Yamamoto et al., 2003, 2006).

• group of beds-level stratigraphic resolution

Environment/lithology: coastal; unlithified, gray, green sandstone

• Shallow water fauna compared to Chinen sand.
• Green to gray and localluty it contains some soft, fine, light green silt.

Size class: macrofossils

Preservation: original aragonite

Collected by Delos E. Flint; reposited in the USNM

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 42316: authorized by Austin Hendy, entered by Austin Hendy on 27.07.2004, edited by Matthew Clapham

Creative Commons license: CC BY (attribution)

Taxonomic list

• Exhaustive for gastropoda. No bivalves.
Gastropoda
 Ptenoglossa - Epitoniidae
Rhynchonellata
 Terebratulida - Frenulinidae
Pictothyris picta Dillwyn 1817