Nagano (Loc. 20) (Miocene of Japan)

Where: Nagano, Japan (36.3° N, 138.1° E: paleocoordinates 38.9° N, 135.6° E)

• coordinate based on political unit

When: Miocene (23.0 - 5.3 Ma)

• Tomikusa

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 161443: authorized by Carlos Jaramillo, entered by Catalina Pimiento on 05.09.2014

Creative Commons license: CC BY (attribution)

Taxonomic list

• Authors cite Hasegawa & Uyeno 1967.
Show authors, comments, and common names
Chondrichthyes
 Odontaspidida - Lamiostomatidae
Xiphodolamia sp.
Xiphodolamia sp. Leidy 1877 elasmobranch
 Carcharhiniformes - Galeocerdidae
Galeocerdo aduncus
Galeocerdo aduncus Agassiz 1835 tiger shark
 Carcharhiniformes - Carcharhinidae
Negaprion sp., Carcharhinus sp.
Negaprion sp. Whitley 1940 lemon shark
Carcharhinus sp. de Blainville 1816 requiem shark
 Lamniformes - Lamnidae
Isurus sp., Lamna sp., Carcharodon sp.
Isurus sp. Rafinesque 1810 mackerel shark
Lamna sp. Cuvier 1816 mackerel shark
Carcharodon sp. Smith 1838 white shark
 Lamniformes - Otodontidae
Otodus sp., "Carcharodon megalodon" = Otodus megalodon
Otodus sp. Agassiz 1838 mackerel shark
"Carcharodon megalodon" = Otodus megalodon Agassiz 1835 megalodon
 Squaliformes - Squalidae
Squalus sp.
Squalus sp. Linnaeus 1758 dogfish shark
 Myliobatiformes - Myliobatidae
Myliobatis sp.
Myliobatis sp. Cuvier 1816 eagle ray