Where: Okinawa, Japan (26.1° N, 127.7° E: paleocoordinates 26.2° N, 127.6° E)
• coordinate estimated from map
• outcrop-level geographic resolution
When: Naha Formation (Ryukyu Group), Calabrian (1.8 - 0.8 Ma)
• 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). This locality is from the lower part of the limestone formation.
• bed-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
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 190211: authorized by Matthew Clapham, entered by Matthew Clapham on 03.12.2017
Creative Commons license: CC BY (attribution)
Taxonomic list
Rhynchonellata | |
Jolonica elliptica Cooper 1957
Pictothyris picta Dillwyn 1817 | |
Laqueus elongatus n. sp.
Laqueus elongatus n. sp. Cooper 1957 | |
Campages nipponensis Yabe and Hatai 1935 |