Pyrgulina difficilis

Pyrgulina difficilis
Scientific classification
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Gastropoda
(unranked):	clade Heterobranchia; clade Euthyneura; clade Panpulmonata
Superfamily:	Pyramidelloidea
Family:	Pyramidellidae
Genus:	Pyrgulina
Species:	P. difficilis
Binomial name
	Pyrgulina difficilis; Saurin, 1958
Synonyms
	Chrysallida (Pyrgulina) difficilis (Saurin, 1958)

Pyrgulina difficilis is a species of sea snail, a marine gastropod mollusk in the family Pyramidellidae, the pyrams and their allies.^[2]

Distribution

This marine species occurs off Vietnam.

^ Saurin, E. (1958). Pyramidellidae de Pho-Hai (Sud Viet-Nam). ,. Annales de la Faculté des Sciences de Saigon. (1958): 63-86, pl. 1-4
^ Rosenberg, G. (2011). Pyrgulina difficilis Saurin, 1958. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=592441 on 2012-01-12

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