''Leucosyrinx amycus'' is a
species
A species () is often defined as the largest group of organisms in which any two individuals of the appropriate sexes or mating types can produce fertile offspring, typically by sexual reproduction. It is the basic unit of Taxonomy (biology), ...
of
sea snail
Sea snails are slow-moving marine (ocean), marine gastropod Mollusca, molluscs, usually with visible external shells, such as whelk or abalone. They share the Taxonomic classification, taxonomic class Gastropoda with slugs, which are distinguishe ...
, a marine
gastropod
Gastropods (), commonly known as slugs and snails, belong to a large Taxonomy (biology), taxonomic class of invertebrates within the phylum Mollusca called Gastropoda ().
This class comprises snails and slugs from saltwater, freshwater, and fro ...
mollusk
Mollusca is a phylum of protostomic invertebrate animals, whose members are known as molluscs or mollusks (). Around 76,000 extant species of molluscs are recognized, making it the second-largest animal phylum after Arthropoda. The ...
in the family (biology), family Pseudomelatomidae, the turrids and allies.
Description
The length of the shell attains 52 mm, its diameter 20 mm.
(Original description) The white shell has an ashy brown periostracum and six or more Whorl (mollusc), whorls, the Apex (mollusc), apex eroded. The suture is slightly appressed, especially on the Spire (mollusc), spire. The anal fasciole is wide and deep, somewhat in front of the suture and extending to a moderate peripheral carina. Behind the carina, the shell is feebly, and in front of it strongly spirally grooved with wider flat interspaces. The Aperture (mollusc), aperture is simple. The outer Lip (gastropod), lip is thin and produced. The inner lip is erased and white. The Columella (gastropod), columella is gyrate and impervious. The siphonal canal is distinct and slightly recurved.
Dall (1919) Descriptions of new species of Mollusca from the North Pacific Ocean; Proceedings of the U.S. National Museum, vol. 56, pp. 1–86, 24 pls (1920)
Distribution
This marine species occurs in Monterey Bay, California, United States at a depth between 1454 m and 1593 m.
References
External links
Smithsonian Institution: ''Leucosyrinx amycus''
*
{{Taxonbar, from=Q59688289
Leucosyrinx, amycus
Gastropods described in 1919