20 relations: Abyssal plain, Atlantic sixgill shark, Bigeyed sixgill shark, Bluntnose sixgill shark, Constantine Samuel Rafinesque, Cow shark, Family (biology), Gill, Grenadiers (fish), Hagfish, Henri Cappetta, Hexanchus collinsonae, List of prehistoric cartilaginous fish, Louis Agassiz, Pierre Joseph Bonnaterre, Shark, Shark tooth, Sinemurian, Stewart Springer, Teng Huo-Tu.
An abyssal plain is an underwater plain on the deep ocean floor, usually found at depths between and.
The Atlantic sixgill shark (Hexanchus vitulus) is a rare species of hexanchid shark found in the Atlantic Ocean.
The bigeyed sixgill shark (Hexanchus nakamurai) is a cow shark of the family Hexanchidae.
The bluntnose sixgill shark (Hexanchus griseus), often simply called the cow shark, is the largest hexanchoid shark, growing to in length.
Constantine Samuel Rafinesque-Schmaltz, as he is known in Europe (October 22, 1783 – September 18, 1840), was a nineteenth-century polymath born near Constantinople in the Ottoman Empire and self-educated in France.
Cow sharks are a family, the Hexanchidae, of sharks characterized by an additional pair or pairs of gill slits.
In biological classification, family (familia, plural familiae) is one of the eight major taxonomic ranks; it is classified between order and genus.
A gill is a respiratory organ found in many aquatic organisms that extracts dissolved oxygen from water and excretes carbon dioxide.
Grenadiers or rattails are generally large, brown to black gadiform marine fish of the subfamily Macrourinae, the largest subfamily of the family Macrouridae.
Hagfish, the class '''Myxini''' (also known as Hyperotreti), are eel-shaped, slime-producing marine fish (occasionally called slime eels).
Henri Cappetta is a French ichthyologist specializing in the paleontology of sharks and rays.
Hexanchus collinsonae (named after M. E. Collinson) is a species of prehistoric shark that was found in the Eocene London Clay beds.
This list of prehistoric cartilaginous fish is an attempt to create a comprehensive listing of all genera that have ever been included in the class chondrichthyes and are known from the fossil record.
Jean Louis Rodolphe Agassiz (May 28, 1807December 14, 1873) was a Swiss-American biologist and geologist recognized as an innovative and prodigious scholar of Earth's natural history.
Abbé Pierre Joseph Bonnaterre (1752, Aveyron – 20 September 1804, Saint-Geniez) was a French naturalist who contributed sections on cetaceans, mammals, birds, reptiles, amphibians, and insects to the Tableau encyclopédique et méthodique.
Sharks are a group of elasmobranch fish characterized by a cartilaginous skeleton, five to seven gill slits on the sides of the head, and pectoral fins that are not fused to the head.
A shark tooth is one of the numerous teeth of a shark.
In the geologic timescale, the Sinemurian is an age or stage in the Early or Lower Jurassic epoch or series.
Stewart Springer (5 June 190623 August 1991) was an American ichthyologist and herpetologist.
Teng Huo-Tu (1911–1978) was an ichthyologist with the Taiwan Fisheries Research Institute (台灣省水產試驗所).