Deania

Deania; Temporal range: 23–0 Ma PreꞒ Ꞓ O S D C P T J K Pg N Early Miocene to present
	Longsnout dogfish (Deania quadrispinosa)
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Class:	Chondrichthyes
Subclass:	Elasmobranchii
Order:	Squaliformes
Family:	Centrophoridae
Genus:	Deania; D. S. Jordan & Snyder, 1902
Type species
	Deania eglantina; Jordan & Snyder, 1902
Species
	See text.

Deania is a genus of long-snouted, deepwater dogfish sharks in the family Centrophoridae.

Species

Deania calcea R. T. Lowe, 1839 (birdbeak dogfish)
Deania hystricosa Garman, 1906 (rough longnose dogfish)
Deania profundorum H. M. Smith & Radcliffe, 1912 (arrowhead dogfish)
Deania quadrispinosa McCulloch, 1915 (longsnout dogfish)

Habitats

In the North Atlantic Waters, three species of the genus Deania have been reported; Deania calcea, Deania hystricosa and Deania profundorum. However, in the North Spanish waters, only Deania calcea and Deania profundorum have been caught. ^[2]

Taxonomy

Deania species have two dorsal fins with strong grooved spines, no anal fin, and a strong sub terminal notch on the caudal fin. Typically, identification characteristics such as dermal denticles and teeth have been utilized to distinguish between elasmobranch species.^[2]

References

^ Sepkoski, Jack (2002). "A compendium of fossil marine animal genera (Chondrichthyes entry)". Bulletins of American Paleontology. 364: 560. Archived from the original on 2012-05-10. Retrieved 2008-01-09.
^ ^a ^b Rodríguez-Cabello, C., Pérez, M., & Grasa, I. (2020, May). Taxonomic research on Deania Calcea and Deania Profundorum (family: Centrophoridae) in the Cantabrian Sea (Northeast Atlantic) with comments on Deania Hystricosa. Regional Studies in Marine Science, 37, 101321. doi:10.1016/j.rsma.2020.101321

Sources

Froese, Rainer; Pauly, Daniel (eds.). "Species in genus Deania". FishBase. February 2011 version.
Tony Ayling & Geoffrey Cox, Collins Guide to the Sea Fishes of New Zealand, (William Collins Publishers Ltd, Auckland, New Zealand 1982) ISBN 0-00-216987-8

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[1] Sepkoski, Jack (2002). "A compendium of fossil marine animal genera (Chondrichthyes entry)". Bulletins of American Paleontology. 364: 560. Archived from the original on 2012-05-10. Retrieved 2008-01-09.

[Taxonomy-2] Rodríguez-Cabello, C., Pérez, M., & Grasa, I. (2020, May). Taxonomic research on Deania Calcea and Deania Profundorum (family: Centrophoridae) in the Cantabrian Sea (Northeast Atlantic) with comments on Deania Hystricosa. Regional Studies in Marine Science, 37, 101321. doi:10.1016/j.rsma.2020.101321

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