Sinohelicoprion

Sinohelicoprion Temporal range: 254–251  Ma PreꞒ Ꞓ O S D C P T J K Pg N ↓ Changhsingian-Induan?
Tooth whorl (IVPP V4752.2) of S. qomolangma, Paleozoological Museum of China
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Class:	Chondrichthyes
Order:	† Eugeneodontiformes
Family:	† Helicampodontidae
Genus:	† Sinohelicoprion Liu & Chang, 1963
Species
S. changhsingensisLiu & Chang, 1963 (type) S. macrodontusLei, 1983 S. qomolangmaZhang, 1974

Comparison of S. changhsingensis and Helicoprion sp.

Sinohelicoprion (meaning "Chinese spiral saw" or "Chinese Helicoprion ") is an extinct genus of eugeneodontid fish that lived during the late Permian and possibly the Early Triassic, from 254 to 251 million years ago. ^{[1] [2]}

It was first named and classified by H. T. Liu and M. N. Chang in 1963. ^{[3] [4]}

References

1. "Sinohelicoprion". mindat.org. Retrieved 31 October 2024.
2. "Sinohelicoprion qomolangma". mindat.org. Retrieved 31 October 2024.
3. "The Paleobiology Database" . Retrieved 14 December 2015.
4. H. T. Liu; M. N. Chang (1963). "First discovery of helicoprionid in China". Vertebrata PalAsiatica (in Chinese). 7 (2): 123–129.