Where: Okinawa, Japan (26.4° N, 127.7° E: paleocoordinates 26.4° N, 127.7° E)
• coordinate estimated from map
• outcrop-level geographic resolution
When: Sobe Formation (Ryukyu Group), Middle Pleistocene (0.8 - 0.1 Ma)
• The Yontan Limestone is the upper part of the Ryukyu Limestone, now called the Sobe Formation. Early middle Pleistocene in age (Odawara et al., 2005).
• group of beds-level stratigraphic resolution
Environment/lithology: reef, buildup or bioherm; poorly lithified, coarse-grained, conglomeratic limestone
Size class: macrofossils
Preservation: original aragonite
Collected by Warren Fuller; 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 42355: authorized by Austin Hendy, entered by Austin Hendy on 28.07.2004, edited by Matthew Clapham
Creative Commons license: CC BY (attribution)
Taxonomic list
Gastropoda | |
""Cypraea" aff. asellus" = Cypraea (Palmadusta) asellus, "Staphylaea (Nuclearia) nucleus" = Cypraea (Staphylaea) nucleus
""Cypraea" aff. asellus" = Cypraea (Palmadusta) asellus Linnaeus 1758 cowry
"Staphylaea (Nuclearia) nucleus" = Cypraea (Staphylaea) nucleus Linnaeus 1758 cowry | |
Conus cf. glans cone shell
Conus lividus Bruguière 1792 cone shell
"Conus cf. vitulinus" = Conus planorbis Born 1778 cone shell | |
Ceratostoma brachypteron murex snail | |
Hipponix (Antisabia) foliaceus hoof shell | |
"Trochus niloticus" = Tectus (Rochia) niloticus Linnaeus 1767 top snail
Trochus calcaratus top snail
Trochus sp. Linnaeus 1758 top snail | |
"Turbo petholatus" = Turbo (Turbo) petholatus, "Marmorostoma argyrostoma" = Turbo (Marmarostoma)
"Turbo petholatus" = Turbo (Turbo) petholatus Linnaeus 1758 snail
"Marmorostoma argyrostoma" = Turbo (Marmarostoma) snail | |
Rhynchonellata | |
Frenulina sanguinolenta Gmelin 1790 |