Scientific name Heptranchias Rank Genus | Phylum Chordata Superorder Selachimorpha Family Hexanchidae Higher classification Cow shark | |
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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