Taxon profile


Cylichna attonsa P. P. Carpenter, 1864

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


Cylichna attonsa

Author: Oldroyd, I.S.
EN   LA  


Shell elongate, cylindrical; sides straight; white with a light-colored epidermis; with a tracing of orange around the outer edge of the inner lip. Aperture very narrow for two-thirds of the length, and widening out below. Columella slightly twisted; sculpture consists of fine hair lines running concentrically around the shell. (Oldroyd.)
Source: Oldroyd, I.S. 1927 . The Marine Shells of the West Coast of North America. Volume IIa


Puget Sound to San Diego, California.
Author: Jan Delsing

Links and literature

EN Galli C.: WMSDB - Wolrdwide Mollusc Species Data Base July 10, 2013 [] [as Cylichna attonsa Carpenter, 1865]
Data retrieved on: 23 November 2013

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