Do-no-kama (Miocene of Japan)

Where: Niigata, Japan (38.0° N, 138.2° E: paleocoordinates 40.5° N, 135.7° E)

• coordinate stated in text

When: Tsurushi Formation, Serravallian (13.8 - 11.6 Ma)

• Radiolarian zones N10 to N13.

Environment/lithology: marine

Primary reference: L. G. Barnes and K. Hirota. 1995. Miocene pinnipeds of the otariid subfamily Allodesminae in the North Pacific Ocean: Systematics and relationships. The Island Arc 3:329-360 [M. Uhen/M. Uhen]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 59181: authorized by Mark Uhen, entered by Mark Uhen on 20.03.2006

Creative Commons license: CC BY (attribution)

Taxonomic list

unclassified
  -
Radiolaria
 Nassellaria - Eucyrtidiidae
Bivalvia
 Pectinida - Pectinoidae
 Protobranchia - Solemyidae
"Solemya tokunagai" = Acharax johnsoni
"Solemya tokunagai" = Acharax johnsoni Dall 1891 Awning Clam
Chondrichthyes
 Lamniformes - Otodontidae
"Carcharocles megalodon" = Otodus megalodon
"Carcharocles megalodon" = Otodus megalodon Agassiz 1843 megalodon
Mammalia
 Carnivora - Desmatophocidae
"Allodesmus sadoensis n. sp." = Allodesmus sinanoensis
"Allodesmus sadoensis n. sp." = Allodesmus sinanoensis Nagao 1941 pinniped
 Cetacea -
Cetacea indet. Brisson 1762 whale