Also known as USGS F-449

Where: Ryukyu, Japan (24.4° N, 124.2° E: paleocoordinates 24.4° N, 124.2° E)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Ryukyu Limestone Formation (Sakishima Group), Late/Upper Pleistocene (0.1 - 0.0 Ma)

• The Ryukyu Limestone unconformably overlies rocks of the Ishigaki Group, the Miyara Formation, the Nosoko Formation, and the Omoto Granite. Two principal lithologies are present - a stratified sandy limestone, and a massive coralliferous limestone. Conglomeratic limestone is common at th base of the formation

• bed-level stratigraphic resolution

Environment/lithology: poorly lithified, brown, yellow, sandy, calcareous limestone and lithified, fine-grained, shelly/skeletal, calcareous limestone

Size class: macrofossils

Preservation: mold/impression

Reposited in the USNM

Collection methods: quarrying,

• Probably reposited in USGS and USNM collections

Primary reference: H. L. Foster. 1965. Geology of Ishigaki-shima Ryukyu-retto. United States Geological Survey Professional Paper 399(A):1-119 [A. Miller/A. Hendy/A. Hendy]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 41606: authorized by Austin Hendy, entered by Austin Hendy on 17.07.2004

Creative Commons license: CC BY (attribution)