''Sediliopsis distans'' is an extinct species of

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 in the family

Pseudomelatomidae Pseudomelatomidae is a family of predatory sea snails, marine gastropods included in the superfamily Conoidea (previously Conacea) and part of the Neogastropoda ( Bouchet & Rocroi, 2005). In 1995 Kantor elevated the subfamily Pseudomelatomina ...

, the turrids and allies.Julia Gardner (1948) - Mollusca from the Miocene and lower Pliocene of Virginia and North Carolina, Part 2, Scaphopoda and Gastropoda; USGS Professional Paper 199- B

Description

The length of the shell attains 21.5 mm, its diameter 8 mm. (Original description) The turriculate shell contains six

whorl A whorl ( or ) is an individual circle, oval, volution or equivalent in a whorled pattern, which consists of a spiral or multiple concentric objects (including circles, ovals and arcs). Whorls in nature File:Photograph and axial plane floral ...

s. These are scalariform, with distant obtuse ribs on the lower half. The suture is waved, with an impressed line above it. The

body whorl The body whorl is part of the morphology of the shell in those gastropod mollusks that possess a coiled shell. The term is also sometimes used in a similar way to describe the shell of a cephalopod mollusk. In gastropods In gastropods, the b ...

shows an impressed revolving line above and four raised revolving lines inferiorly. The upper sinus of the outer lip is deep and rounded, the lower obsolete.

Distribution

Fossils of this species were found in Virginia, USA

References

* E. J. Petuch. 1988. Neogene History of Tropical American Mollusks 1-217

External links

Don I. Tippett, ''Taxonomic notes on the western Atlantic Turridae (Gastropoda: Conoidea)''; the Nautilus v. 109 (1995-1996)

Fossilworks: ''Sediliopsis distans''
{{DEFAULTSORT:Sediliopsis distans distans Gastropods described in 1862