Tritia varicosa

Tritia varicosa
	Tritia pygmaea shell drawing
Scientific classification
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Gastropoda
(unranked):	clade Caenogastropoda; clade Hypsogastropoda; clade Neogastropoda
Superfamily:	Buccinoidea
Family:	Nassariidae
Subfamily:	Nassariinae
Genus:	Tritia
Species:	T. pygmaea
Binomial name
	Tritia pygmaea; (Lamarck, 1822)
Synonyms
	Buccinum tritonium Blainvill, 1826; Hinia (Tritonella) varicosa (Turton, 1825); Hinia (Tritonella) varicosa paucicostata Nordsieck, 1974; Hinia pygmaea (Lamarck, 1822); Nassa (Tritonella) pygmaea (Lamarck, 1822); Nassa (Tritonella) pygmaea var. elongata Bucquoy, Dautzenberg & Dollfus, 1882; Nassa (Tritonella) pygmaea var. evaricosa Bucquoy, Dautzenberg & Dollfus, 1882; Nassa elongatula Locard, 1886; Nassarius (Hinia) pygmaea (Lamarck, 1822); Nassarius (Hinia) varicosa ; Nassarius pygmaeus (Lamarck, 1822); Nassarius varicosus (Turton, 1822); Ranella pygmaea Lamarck, 1822; Tritonia varicosa Turton, 1825;

Tritia pygmaea is a species of sea snail, a marine gastropod mollusk in the family Nassariidae, the nassa mud snails or dog whelks.^[2]

Distribution

This species occurs in European waters, the Mediterranean Sea, the Northeast Atlantic Ocean.

The length of the shell varies between 5 mm and 8 mm.

^ Lamarck ([J.-B. M.] de), 1815-1822: Histoire naturelle des animaux sans vertèbres , Paris [vol. 5: Paris, Deterville/Verdière] [vol. 6 published by the Author], 7 vol. I molluschi sono compresi nei vol. 5-7. Vol. 5 (Les Conchiferes): 612 pp. [25 luglio 1818]. Vol. 6 (1) (Suite): 343 pp. [1819]. Vol. 6 (2) (Suite): 232 pp. [1822]. Vol. 7: (Suite): 711 pp. [1822]
^ ^a ^b Marshall, B. (2016). Tritia pygmaea (Lamarck, 1822). Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=876854 on 2016-05-18

Cernohorsky W. O. (1984). Systematics of the family Nassariidae (Mollusca: Gastropoda). Bulletin of the Auckland Institute and Museum 14: 1–356.
Backeljau, T. (1986). Lijst van de recente mariene mollusken van België [List of the recent marine molluscs of Belgium]. Koninklijk Belgisch Instituut voor Natuurwetenschappen: Brussels, Belgium. 106 pp.
Hayward, P.J.; Ryland, J.S. (Ed.) (1990). The marine fauna of the British Isles and North-West Europe: 1. Introduction and protozoans to arthropods. Clarendon Press: Oxford, UK. ISBN 0-19-857356-1. 627 pp.
Gofas, S.; Le Renard, J.; Bouchet, P. (2001). Mollusca, in: Costello, M.J. et al. (Ed.) (2001). European register of marine species: a check-list of the marine species in Europe and a bibliography of guides to their identification. Collection Patrimoines Naturels, 50: pp. 180–213
Muller, Y. (2004). Faune et flore du littoral du Nord, du Pas-de-Calais et de la Belgique: inventaire. [Coastal fauna and flora of the Nord, Pas-de-Calais and Belgium: inventory]. Commission Régionale de Biologie Région Nord Pas-de-Calais: France. 307 pp.

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