Kingdom Animalia Subclass Elasmobranchii Order Hexanchiformes Scientific name Heptranchias Rank Genus | Phylum Chordata Superorder Selachimorpha Family Hexanchidae Higher classification Cow shark | |
Similar Sharpnose sevengill, Shark, Cow shark, Hexanchus, Hexanchiformes |
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.
References
Heptranchias Wikipedia(Text) CC BY-SA