This page links to species in the family Trochidae. The species included in this family have been in flux recently, with several long time members moved out to other families and at least one group formerly considererd a separate family included here as a subfamily. There are a number of other species of Trochidae, many of them small and for which we do not have living animal photos. (Click on a thumbnail for pages with larger images.)
This was formerly considered the family Stomatellidae but has since been included as a subfamily of Trochidae. These species are highly active snails with a large foot, the tail of which can be released to confuse a predator while the shell makes its escape. The shells and perhaps the animals appear to be higly variable. We have broken out a few Stomatella varieties that seem to be different from the common Stomatella auricula, but which may be simple variations. The other species of the subfamily, all of which we have tentatively placed in the genus Stomatolina, appear to include several different species, but again, they may all be different forms of a few highly variable species.
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