''Ethminolia doriae'' is a 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 Trochidae, the top snails.

Description

The height of the shell attains 6½ mm, its diameter 6 mm. The solid, perforate shell has a conoidal shape. The 6½

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 are angulate, excavated above, ornamented with granose cinguli with square red spots, and minutely longitudinally striate. The cinguli number 5 on penultimate whorl, 6 on 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 ...

, which is angulate at its base. The base of the shell contains 7 concentric cinguli, tessellated red and white. The shell is rosy, sometimes olivaceous, ornamented with darker maculations on the body whorl, the cinguli tessellated. The suture is nearly filled by the first granose ridge. The wide umbilicus is profound, finely striate, and lightly cingulate. The smooth lip is crenated by the sulci of the outside. The simple columella is arcuate, lamellar, twisted at the umbilicus, forming a little canal at the base. The aperture is subrotund, whitish, rosy.H. Pilsbry, Manual of Conchology XI, Academy of Natural Sciences, Philadelphia
/ref>

Distribution

This species occurs in the Red Sea.

References

{{DEFAULTSORT:Ethminolia Doriae doriae Gastropods described in 1888