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Taxon profile

species

Lottia instabilis (A.A. Gould, 1846)

kingdom Animalia - animals »  phylum Mollusca - mollusks »  class Gastropoda - gastropods »  family Lottiidae - True Limpets »  genus Lottia

Scientific synonyms

Acmaea instabilis A. A. Gould, 1846
Acmaea ochracea W. H. Dall, 1871

Images

Lottia instabilis

Author: Manual of Conchology

Lottia instabilis

Author: Lindberg, D.R.

Lottia instabilis

Author: Kantor & Sysoev

Taxon in country check-lists*

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Description

Shell narrow and oblong, the basal margin elevated at the ends; texture thin; slopes convex or bulging. Surface finely radiately striated; dark brown or black. Inside white or bluish, with or without a faint brown spot in the cavity. Large specimens measure 1,5 inches (38 mm.) in length by 7/8 inch. (23 mm.) breadth ; but the usual length is about one inch.
Tryon, G.W. & Pilsbry, H.A.,1891; Manual of Conchology; Vol. XIII ; Acmaeidae, Lepetidae, Patellidae, Titiscaniidae.
Shell large (20+ mm), laterally compressed, elevated at anterior and posterior margins; brown with sculpture of shallow grooves. Lateral teeth short with straight cutting edges, second lateral teeth aligned straight across ribbon segment. Animal lacks pigmentation. Low intertidal, on Laminaria dentigera and Pterygophera californica.
Lindberg, D.R. 1981. Acmaeidae.

Distribution

Amchitka, Aleutian Islands, Alaska (51°45'N, 179°E) to San Diego, California (32°43'N).
Lindberg, D.R. 1981. Acmaeidae.
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 Lottia instabilis (Gould, 1846)]
Data retrieved on: 22 November 2013

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