Turbo excellens

Turbo excellens is a species of sea snail, a marine gastropod mollusk in the family Turbinidae, the turban snails.^[1][2]

Turbo excellens
Original drawing of a shell of Turbo excellens
Scientific classification
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Gastropoda
Subclass:	Vetigastropoda
Order:	Trochida
Superfamily:	Trochoidea
Family:	Turbinidae
Genus:	Turbo
Species:	T. excellens
Binomial name
Turbo excellens G.B. Sowerby III, 1914
Synonyms[1]
Turbo (Callopoma) excellens G.B. Sowerby III, 1914 (original description) Turbo (Carswellena) excellens G. B. Sowerby III, 1914

Distribution

This marine species occurs off Japan.

Description

The length of the shell varies between 10 mm and 22 mm. The imperforate shell has a globose-turbinate shape. Its color pattern is pale fleshy, vividly painted with reddish brown. The conic spire contains five convex whorls with narrowly channelled sutures. The whorls are spirally lirated with minute nodules. The penultimate whorl is trilirate. The body whorl is inflated, globose and almost square-shaped. The aperture is subcircular and silvery white on the inside. The peristome is simple. The white columella is thick and smooth. The operculum is almost round. Its outer surface is white, very convex and everywhere minutely granulate.^[3]

Notes

Additional information regarding this species:^[1]

• Taxonomic status: Some authors place the name in the subgenus Turbo (Callopoma)