Where: Okinawa, Japan (26.1° N, 127.7° E: paleocoordinates 26.3° N, 127.5° E)
• coordinate estimated from map
• outcrop-level geographic resolution
When: Shinzato Formation (Shimajiri Group), Gelasian (2.6 - 1.8 Ma)
• The uppermost part of the Shimajiri Formation. Shinzato member (now formation) spans calcareous nannoplankton zones CN12b just to the base of CN13, and planktonic foram zones PL5 and PL6 (UjiiĆ©, 1994), indicating a Gelasian age.
• bed-level stratigraphic resolution
Environment/lithology: deep-water; poorly lithified, gray, blue, silty sandstone
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 42180: authorized by Austin Hendy, entered by Austin Hendy on 25.07.2004, edited by Matthew Clapham
Creative Commons license: CC BY (attribution)
Taxonomic list
Gastropoda | |
Lioglyphostoma tenuata snail | |
Hindsia (Nihonophos) whitmorei true whelk | |
"Nassarius (? Niotha) concinnus" = Nassarius (Zeuxis) concinnus
"Nassarius (? Niotha) concinnus" = Nassarius (Zeuxis) concinnus Powys 1835 snail | |
Mitrella aff. burchardi snail | |
Conus cf. yabei cone shell | |
Gemmula sp. Weinkauff 1875 turrid | |
| |
"Coralliophila (Fusomurex) shimajiriensis" = Hirtomurex
"Coralliophila (Fusomurex) shimajiriensis" = Hirtomurex murex snail | |
"Semicassis pila" = Semicassis bisulcata
"Semicassis pila" = Semicassis bisulcata Schubert and Wagner 1829 snail | |
Biplex perca triton shell | |
Bursa (Tutufa) aff. corrugata Perry 1811 frog shell | |
Xenophora sp. Fischer von Waldheim 1807 carrier shell | |
Naticarius aff. concinnus, "Naticarius niasensis" = Aloconatica niasensis
Naticarius aff. concinnus Dunker 1859 moon snail
"Naticarius niasensis" = Aloconatica niasensis Wissema 1947 moon snail | |
Triphora aff. micans snail | |
Rhynchonellata | |
Terebratulina subcarinata Cooper 1957 | |
"Gryphus stearnsi" = Dolichozygus stearnsi
"Gryphus stearnsi" = Dolichozygus stearnsi Dall and Pilsbry 1891 | |
Laqueus elongatus Cooper 1957 |