Ethminolia probabilis explained

Ethminolia probabilis is a species of sea snail, a marine gastropod mollusk in the family Trochidae, the top snails. It is a benthic filter-feeder.^[1]

Description

The shell has a maximum width of 8mm and a maximum height of 5mm.^[2] The whorls are angled at the periphery, and the umbilicus is broad and extends to the apex, as well as lacking a marginal rib. It varies from pink to fawn in coloration, and occasionally possesses axial streaks.

Distribution

This marine species is native to Australia, from Manning River, New South Wales to Lake's Entrance, Victoria, as well as Tasmania. It is subtidal, living at a depth of up to 70m (230feet)

Further reading

• Adams, A. 1853. Contributions towards a monograph of the Trochidae, a family of gastropodous Mollusca. Proceedings of the Zoological Society of London 1851(19): 150–192
• Fischer, P. 1879. Genres Calcar, Trochus, Xenophora, Tectarius et Risella. 337–463, 120 pls in Keiner, L.C. (ed.). Spécies general et iconographie des coquilles vivantes. Paris : J.B. Baillière Vol. 3.
• Iredale, T. 1924. Results from Roy Bell's molluscan collections. Proceedings of the Linnean Society of New South Wales 49(3): 179–279, pl. 33-36
• Iredale, T. 1929. Mollusca from the continental shelf of eastern Australia. No. 2. Records of the Australian Museum 17(4): 157–189, pls 38–41
• Kershaw, R.C. 1955. A systematic list of the Mollusca of Tasmania, Australia. Papers and Proceedings of the Royal Society of Tasmania 89: 289–355
• Iredale, T. & McMichael, D.F. 1962. A reference list of the marine Mollusca of New South Wales. Memoirs of the Australian Museum 11: 1–109
• Gabriel, C.J. 1962. Additions to the marine molluscan fauna of south eastern Australia including descriptions of new genus Pillarginella, six new marine species and two subspecies. Memoirs of the National Museum of Victoria, Melbourne 25: 177–210, 1 pl.
• Wilson, B. 1993. Australian Marine Shells. Prosobranch Gastropods. Kallaroo, Western Australia : Odyssey Publishing Vol. 1 408 pp.

Notes and References

1. Web site: WoRMS - World Register of Marine Species - Ethminolia probabilis Iredale, 1924 . 2024-03-29 . www.marinespecies.org.
2. Web site: Ethminolia probabilis . 2024-03-29 . seashellsofnsw.org.au.