Tasmaphena lamproides is a species of land snail in the family Rhytididae. It occurs in north-western Tasmania and probably far southern Victoria.Bonham, K and Taylor R. J. (1997) Distribution and habitat of the land snail Tasmaphena lamproides (Pulmonata: Rhytididae) in Tasmania. Molluscan Research 18: 1-10 It is known by the common name keeled snail.
There are many small subpopulations, and the total population in Tasmania is probably a few hundred thousand snails. The snail generally lives in wet forest habitat. Some subpopulations are threatened by logging and clearing of forests for development and agriculture.
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