Heptranchias

Heptranchias
Temporal range: Cretaceous – Recent
Sharpnose sevengill shark (Heptranchias perlo)
Scientific classification
Kingdom:Animalia
Phylum:Chordata
Class:Chondrichthyes
Order:Hexanchiformes
Family:Hexanchidae
Genus:Heptranchias
Rafinesque, 1810
Synonyms[1]
  • Heptanchus Müller and Henle, 1841
  • Heptranchus Gray, 1851
  • Heptrancus Costa, 1857
  • Notidanion[2]

Heptranchias is a genus of sharks in the family Hexanchidae.

Species

Fossil record

Fossils of Heptranchias are found in marine strata from the Cretaceous until the Quaternary (age range: from 66.043 to 0.781 million years ago.). Fossils are known from various localities in Europe, North America, South America, New Zealand and Japan.[3]

Fossil teeth of Heptranchias species

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].]

See also

References

  1. ↑ ITIS
  2. ↑ Bruce J. Welton PaleoBios
  3. ↑ Paleobiology Database
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