Yamanashi (Loc. 21) (Miocene of Japan)

Where: Yamanashi, Japan (35.6° N, 138.6° E: paleocoordinates 38.3° N, 136.1° E)

• coordinate based on political unit

When: Middle Miocene (16.0 - 11.6 Ma)

• Chichibu

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 161442: authorized by Carlos Jaramillo, entered by Catalina Pimiento on 05.09.2014

Creative Commons license: CC BY (attribution)

Taxonomic list

• Authors cite Uyeno & Ono 1982
Chondrichthyes
 Squatiniformes - Squatinidae
Squatina sp. Dumeril 1806 angel shark
 Odontaspidida - Carcharodontidae
"Isurus hastalis" = Cosmopolitodus hastalis
"Isurus hastalis" = Cosmopolitodus hastalis Agassiz 1843 elasmobranch
 Lamniformes - Lamnidae
Carcharodon sp. Smith 1838 white shark
Probably C. megalodon
 Carchariniformes - Carcharhinidae
Negaprion sp. Whitley 1940 lemon shark
Carcharhinus sp. de Blainville 1816 requiem shark
 Carchariniformes - Hemigaleidae
"Hemipristis serra" = Hemipristis heteropleurus
"Hemipristis serra" = Hemipristis heteropleurus Agassiz 1844 ground shark