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Smooth pink pupa
	A collection of shells of Pupa nitulida
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Gastropoda
Family:	Acteonidae
Genus:	Pupa
Species:	P. nitulida
Binomial name
	Pupa nitulida; (Lamarck, 1816)
Synonyms
	Solidula nitidula (Lamarck, 1816); Tornatella nitidula Lamarck, 1816 (original combination);

Pupa nitulida, common name the smooth pink pupa, is a species of small sea snail, a marine gastropod mollusc in the family Acteonidae.^[1]

Description

The length of the shell varies between 10 mm and 20 mm.

The thick, ovate shell is oblong and smooth. It is of rosy white color. It shows transverse striae varying in number at the base of the body whorl. The spire is short and pointed at its summit. It is composed of six or seven very approximate whorls. The aperture is oblong, narrow, and a little effuse at its base. The outer lip is thickened upon its interior, smooth and sharp throughout its whole extent. The columella, which is thickened, shows two folds. Of these two, the lower fold is the larger and is sub-quadrangular, the upper, which is much smaller, is separated from the other, by a semicircular, very deep groove.^[2]

Distribution

This marine species occurs in the Indian Ocean off East Africa, Madagascar, Réunion, Mascarene Basin; off the Philippines, New Caledonia and Australia (Queensland)

References

^ ^a ^b Rosenberg, G. (2015). Pupa nitidula. In: MolluscaBase (2015). Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=215313 on 2016-05-24
^ Kiener (1840). General species and iconography of recent shells : comprising the Massena Museum, the collection of Lamarck, the collection of the Museum of Natural History, and the recent discoveries of travellers; Boston :W.D. Ticknor,1837 (described as Tornatella nitidula)

Wägele, H., Burghardt, I., Anthes, N., Evertsen, J., Klussmann-Kolb, A. & Brodie, G. 2006. Species diversity of opisthobranch molluscs on Lizard Island, Great Barrier Reef, Australia. Records of the Western Australian Museum, Supplement 69. 33–59
Poppe G. (2010) Philippine marine mollusks volume 3. 665 pp., pls 708–1014. Hackenheim: Conchbooks.