Somniosus is a widely distributed genus of deepwater dogfish sharks in the family Somniosidae.[2] Several members of the genus are believed to attain lengths up to 7 m (23 ft), thus ranking among the largest of sharks.
Somniosus Temporal range: [1]
| |
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Somniosus microcephalus | |
Scientific classification | |
Domain: | Eukaryota |
Kingdom: | Animalia |
Phylum: | Chordata |
Class: | Chondrichthyes |
Subclass: | Elasmobranchii |
Order: | Squaliformes |
Family: | Somniosidae |
Genus: | Somniosus Lesueur, 1818 |
Type species | |
Squalus microcephalus |
Species
edit- Somniosus antarcticus Whitley, 1939 (southern sleeper shark)
- Somniosus cheni Hsu, Lin, & Joung, 2020 (Taiwan sleeper shark)
- †Somniosus gonzalezi Welton & Goedert, 2016 – fossil, Oligocene
- Somniosus longus Tanaka, 1912 (frog shark)
- Somniosus microcephalus (Bloch & J. G. Schneider, 1801) (Greenland shark)
- Somniosus pacificus Bigelow & Schroeder, 1944 (Pacific sleeper shark)
- Somniosus rostratus A. Risso, 1827 (little sleeper shark)
- Somniosus sp. A Not yet described (longnose sleeper shark)
See also
editReferences
edit- ^ Bruce J. Welton; James L. Goedert (2016). "New fossil species of Somniosus and Rhinoscymnus (Squaliformes: Somniosidae), deep water sharks from Oligocene rocks of Western Washington State, USA". New Mexico Museum of Natural History and Science Bulletin. 74: 309–326.
- ^ Yano, K.; Stevens, J. D.; Compagno, L. J. V. (December 2004). "A review of the systematics of the sleeper shark genus Somniosus with redescriptions of Somniosus (Somniosus) antarcticus and Somniosus (Rhinoscymnus) longus (Squaliformes: Somniosidae)". Ichthyological Research. 51 (4). Springer: 360–373. Bibcode:2004IchtR..51..360Y. doi:10.1007/s10228-004-0244-4.