サメの歯

Extant Holocephali

Hydrolagus colliei

Chimaera phantasma

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J-elasmo					FUM IO NAKAGAWA

Results and Discussions

Dentitions

Assemblages

Squalus

hastalis & planus

Isurus

Hemipristis

Carcharhinus

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Fossil Shark Assemblages

Cretaceous		Ashizawa
Eocene		Kawamagari
Oligocene		Shiramizu
		Ashiya
		Ashiya II
Miocene		Ichisi
		Senhata
		Aoso
		Haratashino
		Kuzubukuro
Pliocene		Naarai
		Okinawa
		Tomioka
		Kakegawa
		Toyooka
Pleistocene		Ichijyuku
		k

Fossil Sharks

Eugeneodontidae

Cretoxyrhinidae

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Fossil Rays & Holocephali

Rays I	Rays II

Holocephali

Extant Shark Species

Alopias superciliosus		Centroscymnus coelolepsis		Orectolobus japonica
Atelomycterus marmoratus		Cephaloscyllium laticeps		Prionace glauca
Carcharhinus acronotus		Chiloscyllium punctatum		Rhizoprionodon acutus
C. albimarginatus		Dalatias licha		Scyliorhinus canicula
C. altimus		Deania calcea		Squalus acantias
C. amboinensis		Etmopterus pusillus		S. mitsukurii
C. borneensis		Galeocerdo cuvier		Squatina nebulosa
C. brachyurus		Galeus melastomus
C. brevipinna		Hemigaleus microstomus
C. dussumieri		Hemipristis elongata
C. falciformis		Hemitriakis japanica
C. galapagensis		Heptranchias perlo
C. leucas		Heterodontus japonicus
C. limbatus		H. zebra
C. longimanus		Hexanchus griseus
C. obscurus		Isurus oxyrinchus
C. plumbeus		I. paucus
C. sealei		Lamna nasus
C. signatus		Loxodon macrorhinus
C. sorrah		Negaprion brevirostris
Centrophorus squamosus		Triakis scyllium
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Extant Sharks

Orectolobiformes

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