''Latisipho timetus'' is a

species In biology, a species is the basic unit of classification and a taxonomic rank of an organism, as well as a unit of biodiversity. A species is often defined as the largest group of organisms in which any two individuals of the appropriate s ...

sea snail Sea snail is a common name for slow-moving marine gastropod molluscs, usually with visible external shells, such as whelk or abalone. They share the taxonomic class Gastropoda with slugs, which are distinguished from snails primarily by the ...

, a marine

gastropod The gastropods (), commonly known as snails and slugs, belong to a large taxonomic class of invertebrates within the phylum Mollusca called Gastropoda (). This class comprises snails and slugs from saltwater, from freshwater, and from land. T ...

mollusk Mollusca is the second-largest phylum of invertebrate animals after the Arthropoda, the members of which are known as molluscs or mollusks (). Around 85,000 extant species of molluscs are recognized. The number of fossil species is e ...

in the

family Family (from la, familia) is a Social group, group of people related either by consanguinity (by recognized birth) or Affinity (law), affinity (by marriage or other relationship). The purpose of the family is to maintain the well-being of its ...

Buccinidae, the true whelks.MolluscaBase eds. (2022). MolluscaBase. Latisipho timetus (Dall, 1919). Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=724330 on 2022-11-25

Description

(Original description at ''Aulacofusus (Limatofusus) timetus'') The small, thin shall has a thin pale olive periostracum. Its length measures 30 mm. It contains five or more whorls. The protoconch is eroded. The suture is distinct and not appressed. There is no axial

sculpture Sculpture is the branch of the visual arts that operates in three dimensions. Sculpture is the three-dimensional art work which is physically presented in the dimensions of height, width and depth. It is one of the plastic arts. Durable sc ...

. The spiral sculpture consists of (on the penultimate whorl about 33) fine regular sharp striae with wider flat interspaces, for the most part uniform, but near the periphery tending to be wider. This sculpture covers the whole surface. The

aperture In optics, an aperture is a hole or an opening through which light travels. More specifically, the aperture and focal length of an optical system determine the cone angle of a bundle of rays that come to a focus in the image plane. An opt ...

is wide and semilunate. Its width measures 15 mm. The thin outer lip is gently arcuate. The white inner lip is erased. The columella is straight and attenuated in front. The siphonal canal is wide, deep, very short and with a well-marked siphonal fasciole.Dall, W. H. (1919). Descriptions of new species of Mollusca from the North Pacific Ocean in the collection of the United States National Museum. Proceedings of the United States National Museum. 56 (2295): 293-371
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Distribution

This marine species occurs off Unalaska, Aleutian Islands.

References

* Kosyan A.R. & Kantor Yu.I. (2013). Revision of the genus Aulacofusus Dall, 1918 (Gastropoda: Buccinidae). Ruthenica: The Russian Malacological Journal. 23(1): 1-33.

External links

* {{DEFAULTSORT:Latisipho Timetus Buccinidae Gastropods described in 1919