Gyrotoma
Gyrotoma is a genus of extinct freshwater snails with an operculum, aquatic gastropod mollusks in the family Pleuroceridae. This genus was endemic to the USA.
All of the species within this genus are presumed extinct. They were native to the main channel of the Coosa River in Alabama, where the last suitable habitat was destroyed by the filling of the reservoir Logan Martin Lake in the mid-1960s.
6 branches of this genus, most-observed first
Excised Slitshell
speciesGyrotoma excisa
Striate Slitshell
speciesGyrotoma lewisii
Ribbed Slitshell
speciesGyrotoma pumila
Round Slitshell
speciesGyrotoma walkeri
Pyramid Slitshell
speciesGyrotoma pyramidata
Pagoda Slitshell
speciesGyrotoma pagoda
Where it lives
Recorded sightings
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geo-referenced records in GBIF, from museums, herbaria and field observers.
Drag the globe to turn it. Dots are where records exist, not a range map; darker means more records.
In the stacks
Searching the stacks…
Every page naming Gyrotoma in the Biodiversity Heritage Library →
This page is assembled live from iNaturalist, GBIF, Wikipedia, the Source Library and the Internet Archive. It is not yet part of the hand-edited codex. iNaturalist taxon 88684.