Charisma josephi (Tenison Woods 1877)

Charisma josephi, common name the Joseph's charisma, is a species of extremely small sea snail, a marine gastropod mollusk in the family Trochidae, the top snails.^[1]

Description

The diameter of the shell is 3 mm. The thick shell is widely umbilicated and obliquely turbinate. Its color is white, opaque, maculated with very pale chestnut. The five whorls are rounded and closely spirally striate. The thick peristome is posteriorly produced.^[2]

Distribution

This marine species is endemic to Australia and occurs off South Australia, Tasmania, Victoria and Western Australia

References

• Tenison-Woods, J.E. 1877. On some new Tasmanian marine shells. Papers and Proceedings of the Royal Society of Tasmania 1876: 131-159
• Tate, R. & May, W.L. 1901. A revised census of the marine Mollusca of Tasmania. Proceedings of the Linnean Society of New South Wales 26(3): 344-471
• Cotton, B.C. 1945. Southern Australian Gastropoda. Part 1. Streptoneura. Transactions of the Royal Society of South Australia 69(1): 150-171
• Cotton, B.C. 1959. South Australian Mollusca. Archaeogastropoda. Handbook of the Flora and Fauna of South Australia. Adelaide : South Australian Government Printer 449 pp