(Jeffreys, 1848)

Description:
Fusiform, slender shell, comprising three whorls and the protoconch. Surface is smooth and rather shiny, with some very fine striations on abapical part of the last whorl. The aperture is elongate, thickened; columellar tooth is variably developed; umbilicus is large.

Size:
Up to 3.4 mm.

Colour:
White.

Habitat:
An obligate parasite of the sipunculid Phascolion strombi .

Distribution:
Reported from scattered localities around the British Isles (Distr. O. diaphana).

Kingdom Animalia
Phylum Mollusca
Class Gastropoda
Subclass Heterobranchia
Order Heterostropha
Family Pyramidellidae
Genus Ondina
Species Ondina diaphana

Status in World Register of Marine Species

Accepted name: Ondina diaphana (Jeffreys, 1848)

Scientific synonyms and common names

Odostomia diaphana Jeffreys, 1848
Odontostomia perezi Dautzenberg & Fischer H., 1925
Menestho diaphana

Aartsen, J.J. van, 1987. European Pyramidellidae: III. Odostomia and Ondina . Boll. malac., 23: 1-34.

Hayward, P.J., Wigham, G.D. & N. Yonow, 1990. Mollusca I: Polyplacophora, Scaphopoda, and Gastropoda. In: The Marine Fauna of the British Isles and North-West Europe. (ed. P.J. Hayward & J.S. Ryland). Clarendon Press, Oxford: 628-730.

Seaward, D.R., 1990. Distribution of the marine molluscs of north west Europe. Nature Conservancy Council.

You can continue searching for Ondina diaphana on one of these Web sites:

Fauna Europaea (animals) | IOPI (plants) | NCBI (genetic)

Google | Yahoo | MSN | Wikipedia