白水層群
Siramizu group
Fukushima Prefecture, Japan
Oligocene

Siroiwa
白岩

Isurus Rafinesque 1810A

23 mm H
Isurus sp.

32 mm H
Isurus desori

Family Odontaspididae Müller& Henle 1839
Carcharias Rafinesque 1810

17 mm H

9 mm H
Carcharias cf. accutissima

Akai
赤井

Family Heterodontidae Gray 1851
Heterodontus Blainville 1816

3 mm H

4.8 mm W
Heterodontus sp.

Family Odontaspidae Müller & Henle 1839
Odontaspis Agassiz 1838
Carcharias Rafinesque 1810

right; 12 mmH

Carcharias cf. accutissima

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J-elasmo
サメの歯化石館