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Taxon profile

species

Oenopota amiantus W. H. Dall, 1919

kingdom Animalia - animals »  phylum Mollusca - mollusks »  class Gastropoda - gastropods »  order Caenogastropoda »  family Mangeliidae »  genus Oenopota

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Description

Shell elevated, rugose, white under a pale yellow periostracum, with six subtabulate whorls, the nucleus decorticated, suture obscure, closely appressed; spiral sculpture of an angle at the shoulder, between which and the suture are four or five close-set small equal threads; in front of the shoulder is a constriction beyond which are about a dozen deep grooves with wider, rounded interspaces, which are finely spirally striated; on the canal there are crowded small threads; axial sculpture of about 15 short ribs extending from the shoulder, which they nodulate, to the periphery only; aperture narrow, with a shallow anal sulcus; outer lip thin, inner lip erased, canal straight and short. Height of shell, 15; of last whorl, 10.5; of aperture, 8; diameter, 7 mm. (Dall.) NOT FIGURED.
TYPE in United States National Museum, No. 214219
Source: Oldroyd, I.S. 1927 . The Marine Shells of the West Coast of North America. Volume IIa
as Lora amiata

Distribution

Type locality, Belkoffski, Alaska.
Author: Jan Delsing

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