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Triakid & Hemigaleid
ver. 1.1



Pleistocene, Dainich Formation

Triakid

Galeorhinus galeus, Ikoku-eirakubuka


Galeorhinus / Paragaleus


Hypogaleus sp. Tumaguro-eirakubuka


Mustelus sp.


indet.



Hemigaleid
Chaenogaleus macrostoma, Kagiha-togarizame


Paragaleus sp. Ten-ibarazame


Ref.
BIOLOGIE, 58: 99-126,1988
Contributions to the study of the comparative morphology of teeth and other relevant ichthyodorulites in living supraspecific taxa of Chondroichthyan fishes
Editor: M. STEHMANN
Part A: Selachii. No.2a: Order: Carcharhinusformes-Family: Triakidae by J. HERMANN, M. HOVESTADT- EULER and D.C. HOVESTADT

BIOLOGIE, 61: 73-120,1991
Contributions to the study of the comparative morphology of teeth and other relevant ichthyodorulites in living supraspecific taxa of Chondroichthyan fishes
Editor: M. STEHMANN
Part A: Selachii. No.2c: Order: Carcharhinusformes-Family: Proscylliidae, Hemigaleidae, Pseudotriakidae, Leptochariidae and Carcharhinidae by J. HERMANN, M. HOVESTADT- EULER and D.C. HOVESTADT




Plio-Pleistocene, Shimajiri group

Triakid
Hemitriakis sp.


Mustelus sp.



Hemigaleid
Hemipristis elongatus, Kamahirezame




Mio-Pliocene, Koderayama Formation

Triakid
Galeorhinus sp.


Hypogaleus sp. Tumaguro-eirakubuka


Triakis sp. Dochizame

Height; 3.2 mm



Late Miocene, Senhata Formation

Triakid
Hypogaleus sp.

Width; 4 mm


Hemigaleid
Hemipristis serra AGASSIZ, 1835

Height; 32 mm



Oligocene, Ainoshima,

Triakid
Hemitriakis sp.

4.5 mm W

Galeorhinus / Hemigaleus / Paragaleus

7.3 mm W


Hemigaleid
Hemipristis curvatus DAMES, 1883







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