KANIE, HASEGAWA, OKAZAKI & TATEMATSU, 1998
Locality: Location R4701 of Matsumoto et al, (1982), the middle steam of the Obirashibe River, Northwestern Hokkaido Island, Japan.
Horizon:
Biostratigraphy:
Age: Lower Santonian Stage, Senonian Subepoch, Gulf Epoch, Late Cretaceous.
Material:
Obira specimen 1: 8 centra, 6 ribs, 19 gastralia, humeri, 3 carpi and 11 phalanges.
Note: The jaws of the Vampyromorpha Provampyroteuthis giganteus are in the gut area.