Obata locality 1, Loc. 357p (Cretaceous of Japan)

Where: Hokkaido, Japan (42.2° N, 142.8° E: paleocoordinates 47.0° N, 132.2° E)

• coordinate estimated from map

When: Early/Lower Campanian (83.5 - 70.6 Ma)

Environment/lithology: marine; lithology not reported

Size class: macrofossils

Primary reference: I. Obata, Y. Hasegawa, and H. Otsuka. 1972. Preliminary report on the Cretaceous reptile fossils from Hokkaido. Memoirs of the National Science Museum 5:213-222 [R. Butler/R. Butler/R. Butler]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 94679: authorized by Richard Butler, entered by Richard Butler on 09.03.2010

Creative Commons license: CC BY (attribution)

Taxonomic list

Reptilia
 Plesiosauria - Elasmosauridae
? Elasmosaurus sp. Cope 1868 elasmosaur
NSM-PV15004, tooth
Bivalvia
 Myalinida - Inoceramidae
Inoceramus ezoensis, "Inoceramus orientalis" = Sphenoceramus orientalis
Inoceramus ezoensis Yokoyama 1890 clam
"Inoceramus orientalis" = Sphenoceramus orientalis Sokolov 1914 clam
Cephalopoda
 Ammonitida - Desmoceratidae
Damesites damesi Jimbo 1894 ammonite
 Ammonitida - Pachydiscidae
"Anapachydiscus naumanni" = Menuites, Eupachydiscus haradai
"Anapachydiscus naumanni" = Menuites ammonite
Eupachydiscus haradai Jimbo 1894 ammonite
 Ammonitida - Tetragonitidae