Sevengill shark
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| phylum | Chordata | The broadnose sevengill shark is recognizable because of its seven gill slits, while most shark species have five gill slits, with the exception of the members of the order Hexanchiformes and the sixgill sawshark. This shark has a large, thick body, with a broad head and blunt snout. The top jaw has jagged, cusped teeth and the bottom jaw has comb-shaped teeth. The length at birth is 40–45 cm (15.5–17.5 in) while the mature male length is 1.5 m (4.9 ft) and mature female length is around 2.2 m (7.2 ft).
For more information, visit the Wikipedia entry. Get back to Hexanchiformes |
| class | Chondrichthyes | |
| order | Hexanchiformes | |
| family | Hexanchidae | |
| genus | Notorynchus | |
| species | N. cepedianus |
