Obata locality 2 (Cretaceous to of Japan)

Also known as Hobetsu

Where: Hokkaido, Japan (42.7° N, 142.3° E: paleocoordinates 49.5° N, 133.9° E)

• coordinate estimated from map

• small collection-level geographic resolution

When: Kashima Formation (Yezo Group), Coniacian to Coniacian (89.8 - 83.6 Ma)

• Santonian or Coniacian

• bed-level stratigraphic resolution

Environment/lithology: marine; mudstone

• mudstone nodule

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 94680: authorized by Richard Butler, entered by Richard Butler on 09.03.2010, edited by Philip Mannion

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Reptilia
 Squamata - Mosasauridae
Russellosaurina indet.
Russellosaurina indet. Bell 1997 mosasaur
NSM-PV15003 (three partial caudal vertebrae with articulating haemal arches and one extremely fragmentary centrum without haemal arch)