| Notorhynchus Temporal range: Early Cretaceous to Recent |
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| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Chondrichthyes |
| Order: | Hexanchiformes |
| Family: | Hexanchidae |
| Genus: | Notorhynchus Ayers, 1885 |
| Species | |
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Notorynchus is a genus of Seven-gill shark that evolved in the Late Cretaceous through the Present Day. The Sevengill shark is a large (to 3m, possibly reaching 4) shark which according to Compagno (1984 & 2005) inhabits shallow (1-135m), temperate coastal continental waters. They are found in isolated regions worldwide; however, they are no longer present in the Western North Atlantic.