Kanazawa City (Loc. 12) (Miocene of Japan)

Where: Hokuriku, Japan (36.7° N, 136.8° E: paleocoordinates 39.1° N, 134.3° E)

• coordinate stated in text

When: CN5a nannofossil zone, Kurahara Formation, Serravallian (13.8 - 11.6 Ma)

• CN5a of Calcareous Nannoplankton Zone by Okada and Bukry (Tsubouchi MS).

• formation-level stratigraphic resolution

Environment/lithology: marine; sandstone

• Andesitic sandstone

Size class: macrofossils

Collection methods: The described specimens are reposited at the Department of Earth Sciences, Faculty of Science, Kanazawa University.

Primary reference: H. Karasawa. 1989. Late Cenozoic Elasmobranchs from the Hokuriku district, central Japan. The Science reports of the Kanazawa University 34(1):1-57 [C. Jaramillo/C. Pimiento]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 161501: authorized by Carlos Jaramillo, entered by Catalina Pimiento on 06.09.2014

Creative Commons license: CC BY (attribution)

Taxonomic list

Bivalvia
 Pectinida - Pectinoidae
Mizuhopecten kimurai Yokoyama 1925 scallop
Chondrichthyes
 Carcharhiniformes - Carcharhinidae
Carcharhinus priscus Agassiz 1843 requiem shark
 Lamniformes - Lamnidae
Isurus planus, "Isurus hastalis" = Carcharodon hastalis
Isurus planus Agassiz 1856 mackerel shark
"Isurus hastalis" = Carcharodon hastalis Agassiz 1838 white shark
 Lamniformes - Otodontidae
"Carcharocles megalodon" = Otodus megalodon
"Carcharocles megalodon" = Otodus megalodon Agassiz 1835 megalodon
One upper anterior tooth specimen (KUE0034) and one lower anterior tooth specimen (KUE0035)