Where: Okinawa, Japan (26.3° N, 127.8° E: paleocoordinates 26.4° N, 127.7° E)
• coordinate estimated from map
• outcrop-level geographic resolution
When: Naha Formation (Ryukyu Group), Calabrian to Calabrian (1.8 - 0.1 Ma)
• The lower part of the Riukiu Limestone is called the Naha Limestone. Naha Formation ranges from the middle Calabrian (c. 1.3 Ma) to the Middle Pleistocene (c. 0.4 Ma), according to Yamamoto et al. (2006).
• group of beds-level stratigraphic resolution
Environment/lithology: lagoonal or restricted shallow subtidal; poorly lithified, brown, white, calcareous grainstone and poorly lithified, brown, white limestone
Size class: macrofossils
Collected by Warren Fuller; 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 190220: authorized by Matthew Clapham, entered by Matthew Clapham on 03.12.2017
Creative Commons license: CC BY (attribution)
Taxonomic list
Rhynchonellata | |
Rhytirhynchia hataiana Cooper 1957 |