Hokkaido and Honshu (Loc. 5) (Cretaceous of Japan)

Where: Hokkaido, Japan (43.3° N, 145.5° E: paleocoordinates 49.7° N, 136.0° E)

• coordinate based on political unit

When: Late/Upper Cretaceous (100.5 - 66.0 Ma)

Environment/lithology: marine; lithology not reported

Size class: macrofossils

Primary reference: Y. Yabumoto and T. Uyeno. 1994. Late Mesozoic and Cenozoic fish faunas of Japan. The Island Arc 3:255-269 [C. Jaramillo/C. Pimiento]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 161435: authorized by Carlos Jaramillo, entered by Catalina Pimiento on 05.09.2014

Creative Commons license: CC BY (attribution)

Taxonomic list

• Authors cite Uyeno 1972; Research Group for Mesozoic Fossil Shark 1977.
unclassified
  -
Chondrichthyes
 Hybodontiformes - Ptychodontidae
Ptychodus latissimus Agassiz 1843 elasmobranch
 Lamniformes - Cretoxyrhinidae
Cretolamna appendiculata Agassiz 1843 mackerel shark
 Lamniformes - Odontaspididae
Odontaspis sp. Agassiz 1843 sand tiger shark
 Euselachii - Mitsukurinidae
Scapanorhynchus sp., "Scapanorhynchus rhaphiodon" = Scapanorhynchus raphiodon
Scapanorhynchus sp. Woodward 1889 goblin shark
"Scapanorhynchus rhaphiodon" = Scapanorhynchus raphiodon Agassiz 1843 goblin shark
 Synechodontiformes - Orthacodontidae
"Orthacodus sp." = Sphenodus, "Orthacodus longidens" = Sphenodus longidens
"Orthacodus sp." = Sphenodus Agassiz 1843 elasmobranch
"Orthacodus longidens" = Sphenodus longidens Agassiz 1843 elasmobranch
 Hexanchiformes - Hexanchidae
Hexanchus microdon sixgill shark