Heptranchias
Heptranchias is a genus of sharks in the family Hexanchidae.
| Heptranchias Temporal range: Cretaceous – Recent | |
|---|---|
.jpg) | |
| Sharpnose sevengill shark (Heptranchias perlo) | |
Scientific classification  | |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Chondrichthyes |
| Order: | Hexanchiformes |
| Family: | Hexanchidae |
| Genus: | Heptranchias Rafinesque, 1810 |
| Synonyms[1] | |
| |
Species
- Heptranchias perlo (Bonnaterre, 1788) (sharpnose sevengill shark)
- †Heptranchias ezoensis Applegate & Uyeno, 1968
- †Heptranchias howelli Reed, 1946
- †Heptranchias karagalensis Kozlov in Zhelezko & Kozlov, 1999
- †Heptranchias tenuidens Leriche, 1938
Fossil record
Fossils of Heptranchias are found in marine strata from the Cretaceous period. Fossils are known from various localities in Europe, North America, South America, New Zealand and Japan.[3]
Heptranchias perlo lower teeth
Bibliography
- Bonnaterre, J.P. 1788, Tableau encyclopédique et méthodique des trois règnes de la nature... Ichthyologie. Paris. Tableau encyclopédique et méthodique des trois règnes de la nature... Ichthyologie.: i-lvi + 1-215, Pls. A-B + 1-100.
- Compagno, L.J.V. 1. Hexanchiformes to Lamniformes // Sharks of the world. An annotated and illustrated catalogue of sharks species known to date. — FAO Fish Synop., 1984. — Vol. 4. — P. 14. — 249 p.
- Heptranchias. FishBase. Ed. Ranier Froese and Daniel Pauly. February 2009 version. N.p.: FishBase, 2009.
- Rafinesque, C.S. 1810, Caratteri di alcuni nuovi generi e nuove specie di animali e piante della sicilia, con varie osservazioni sopra i medisimi. (Part 1 involves fishes, pp. [i-iv] 3-69 [70 blank], Part 2 with slightly different title, pp. ia-iva + 71-105 [106 blank]). Caratteri di alcuni nuovi generi e nuove specie di animali e piante della sicilia, con varie osservazioni sopra i medisimi.. Pls. 1-20. [Dates to 1810 (see Holthius & Boeseman 1977 [ref. 6877], Wheeler 1988 [ref. 6878]). Also see Boewe 1982 [ref. 6030].]
gollark: If communism is mentioned to you, back away at a reasonable rate.
gollark: Do not acknowledge it in any way.
gollark: No such political ideology exists.
gollark: Communism is not real.
gollark: If you only incinerate it slightly you can selectively breed fire-resistant grass.
References
- ITIS
- Bruce J. Welton PaleoBios
- Paleobiology Database
This article is issued from Wikipedia. The text is licensed under Creative Commons - Attribution - Sharealike. Additional terms may apply for the media files.