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Taxon profile

species

Cylichna diegensis (W. H. Dall, 1919)

kingdom Animalia - animals »  phylum Mollusca - mollusks »  class Gastropoda - gastropods »  order Opistobranchia - opisthobranchs »  family Cylichnidae »  genus Cylichna

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Description

Shell small, thin, cylindric, white, with a pale straw-colored periostracum with reddish brown spiral lines on the base and near the apex; whorls involved, the apex exhibiting a funicular depression ending in a minute perforation; the surface smooth and polished except for faint incremental lines; aperture very narrow, the outer lip thin, straight, recurving deeply around the apex, at the base receding and rounding into the simple, thickened pillar lip; body with a slight glaze. Length, 8; diameter, 3.5 mm. (Dall.)
Source: Oldroyd, I.S. 1927 . The Marine Shells of the West Coast of North America. Volume IIa

Distribution

San Diego, California, to Cape San Lucas; Vancouver Island.
Author: Jan Delsing

Links and literature

EN Galli C.: WMSDB - Wolrdwide Mollusc Species Data Base July 10, 2013 [http://www.bagniliggia.it/WMSD/WMSDhome....] [as Cylichna diegensis Dall, 1919]
Data retrieved on: 23 November 2013

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