Calthalotia baudini

Calthalotia baudini
Drawing of a shell of Calthalotia baudini
Scientific classification
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Gastropoda
Clade:	Vetigastropoda
Superfamily:	Trochoidea (superfamily)
Family:	Trochidae
Genus:	Calthalotia
Species:	C. baudini
Binomial name
Calthalotia baudini (P. Fischer, 1878) [1]
Synonyms
Cantharidus baudini (Fischer, 1878) Prothalotia baudini (P. Fischer, 1878) Trochus baudini Fischer, 1878 (original description)

Calthalotia baudini is a species of sea snail, a marine gastropod mollusk in the family Trochidae, the top snails.^[2]

Description

The size of the shell attains 15 mm. The rather thick, imperforate shell has a conic-elongate shape. The 6 to 7 whorls are planulate, the first buff, eroded, the following whitish, ornamented with sparse rosy points and angular chestnut streaks . The shell is spirally lirate, with about 8 lirae on the penultimate whorl. The subangular body whorl is depressed above. The base of the shell is convex, with about 8 concentric lirae. Tnere is no umbilical perforation. The aperture is rhomboidal. The lip is simple. The short columella is subnodose-truncate below. ^[3]

Distribution

This marine species is endemic to Australia and occurs off Western Australia and King Island, South Australia.

References

• John D. Taylor and Emily A. Glover; Diversity and distribution of subtidal benthic molluscs from the Dampier Archipelago, Western Australia; results of the 1999 dredge survey (DA2/99)
• Shirley M. Slack-Smith and Clay W. Bryce; A survey of the benthic molluscs of the Dampier Archipelago, Western Australia

External links

• To World Register of Marine Species
• Gastropods.com: Prothalotia baudini

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