Ribbed Slitshell (Gyrotoma pumila)
The Ribbed Slitshell was described in 1860, like all members of this genus, it was endemic to the Coosa River in Alabama, USA, it died out after the impoundment of the river system in the early 20th century.
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edited: 07.05.2019
Tag Archives: Elmore County
Gyrotoma excisa (Lea)
Excited Slitsnail (Gyrotoma excisa)
The Excited Slitsnail was described in 1843, it was endemic to the Coosa River in Alabama, USA and disappeared at the beginning of the 20th century when the rivers system was impounded.
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(public domain)
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edited: 07.05.2019
Gyrotoma pagoda (Lea)
Pagoda Slitsnail (Gyrotoma pagoda)
The Pagoda Slitsnail was described in 1845, it was endemic to the middle flow of the Coosa River in Alabama, USA.
The species died out, together with its five congeneric siblings, following the impondment of the river at the beginning of the 20th century.
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(public domain)
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edited: 07.05.2019
Elimia pupaeformis (I. Lea)
Pupa Elimia Snail (Elimia pupaeformis)
This species was described in 1864.
The Pupa Elimia Snail was restricted to a section of the Coosa River, from about Elmore – to St. Clair County, Alabama.
The species disappeared after the impoundment of the river due to the building of dams and is now considered extinct.
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edited: 06.11.2017