Borsonella barbarensis

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Borsonella barbarensis
Borsonella barbarensis 001.jpg
Original image of a shell of Borsonella barbarensis
Scientific classification OOjs UI icon edit-ltr.svg
Domain: Eukaryota
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Subclass: Caenogastropoda
Order: Neogastropoda
Superfamily: Conoidea
Family: Borsoniidae
Genus: Borsonella
Species:
B. barbarensis
Binomial name
Borsonella barbarensis
Dall, 1919
Synonyms [1]

Spirotropis (Borsonella) barbarensis (Dall, 1919)

Borsonella barbarensis is a species of sea snail, a marine gastropod mollusk in the family Borsoniidae. [2]

Contents

Description

(Original description) The solid shell consists of six or more whorls. The apex is decollated. The periostracum is greenish olive over a white substratum, yellowish on the columella. The suture is distinct with a convex spiral band between it and the fasciole. The spiral sculpture shows a pronounced keel in front of the fasciole, on the upper part of the spire this keel may be more or less undulated. In front of the keel the surface is retractively somewhat irregularly obliquely grooved, with wider flattish interspaces upon which is a minute protractively looped sculpture giving a vermicular aspect to the surface under a magnifier The ovate aperture is simple. The outer lip is thin and sharp. The anal sulcus is wide and moderately deep. The columella is straight, attenuated in front, the plait hidden behind it. The siphonal canal is short and wide, the operculum missing.

The height of shell is 29 mm; of the body whorl, 20 mm; the diameter is 12 mm.

In this species the plait on the columella is generally hidden behind the columella so as to be invisible from a front view of the aperture. [3]

Distribution

This species occurs in the Pacific Ocean off California .

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References

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