Temporal range: 196–0 Ma Sinemurian to Present
|File:Hexanchus griseus (Bluntnose sixgill shark).gif|
| Bluntnose sixgill shark|
Drawing by Dr Tony Ayling
The sixgill sharks, Hexanchus, are a genus of deepwater sharks in the family Hexanchidae. These sharks are characterized by broad pointed heads, six pairs of gill slits, comb-like, yellow lower teeth, and a long tail. It can grow up to 5 m (18 ft) long and weigh over 600 kg (1320 lb). They are abyssal plain scavengers with a keen sense of smell and are among the first to arrive at carrion, together with hagfish and rattails. They show a characteristic rolling motion of the head when feeding. They have been found at depths of up to 2,500 feet (760 m).
- Bluntnose Sixgill Shark Hexanchus griseus Bonnaterre, 1788
- Bigeyed Sixgill Shark, Hexanchus nakamurai Teng, 1962
- ^ Sepkoski, Jack (2002). "A compendium of fossil marine animal genera (Chondrichthyes entry)". Bulletins of American Paleontology. 364: p.560. Retrieved 2008-01-09.
- ^ Kindersley, Dorling (2001,2005). Animal. New York City: DK Publishing. ISBN 0-7894-7764-5. Check date values in:
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|This article is part of Project Cartilaginous Fish Families, a All Birds project that aims to write comprehensive articles on each cartilaginous fish family, including made-up species.|
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