Sinohelicoprion

Sinohelicoprion; Temporal range: 254–252 Ma PreЄ Є O S D C P T J K Pg N ↓ Late Permian
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Class:	Chondrichthyes
Subclass:	Holocephali
Order:	†Eugeneodontida
Family:	†Helicoprionidae ; Karpinsky, 1911
Genus:	†Helicoprion ; Karpinsky, 1899
Type species
	Helicoprion bessonovi;
Species
	H. bessonovi; H. davisii; H. ferrieri; H. ergasaminon; H. jingmenense; H. mexicanus; H. nevadensis; H. sierrensis;

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Sinohelicoprion ("Chinese spiral jaw") is an extinct genus of helicoprinid eugeneodontid fish that lived during the late Permian 254 to 252 million years ago and became extinct during the Permian-Triassic extinction event.^[1]

It was first named and classified by H. T. Liu and M. N. Chang in 1963.^[2]^[3]

References

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