Alvania occidua

Alvania occidua is a species of small sea snail, a marine gastropod mollusk or micromollusk in the family Rissoidae.

Description

The length of the shell attains 2.1 mm, its diameter 1 mm.

Distribution

This species is endemic to Australia and occurs off South Australia and Western Australia

References

• Ponder, W.F. 1985. A review of the genera of the Rissoidae (Mollusca: Mesogastropoda: Rissoacea). Records of the Australian Museum suppl. 4: 1-221

External links

• Cotton, B. C. (1944). Recent Australian species of the family Rissoidae (Mollusca). Transactions of the Royal Society of South Australia. 68: 286-314; plate XVI