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Gyrotoma

Gyrotoma is a genus of freshwater snails that was only found in the shoal areas of the main Coosa River in Alabama. The virtually all of the shoal habitat has been impounded since the 1960s, and this genus of Pleuroceridae is now extinct. These snails had an operculum.

Excised Slitshell Gyrotoma excisa. Extinct. Endemic to Coosa River. Historically found in shoals from St. Clair to Elmore counties. Not reported since the river was impounded. Was restricted to shoal habitats. EXTINCT.

Striate Slitshell Gyrotoma lewisii. Extinct. Endemic to Coosa River. Historically found in shoals of Talladega and Shelby counties. Not reported since the river was impounded. Was restricted to shoal habitats. EXTINCT.

Pagoda Slitshell Gyrotoma pagoda. Extinct. Endemic to Coosa River. Historically found in shoals from Chilton to Elmore counties. Not reported since the river was impounded. Was restricted to shoal habitats. EXTINCT.

Ribbed Slitshell Gyrotoma pumila. Extinct. Endemic to Coosa River. Historically found in shoals from Shelby to Elmore counties. Not reported since the river was impounded. Was restricted to shoal habitats. EXTINCT.

Pyramid Slitshell Gyrotoma pyramidata. Extinct. Endemic to Coosa River. Historically found in shoals of St. Clair and Shelby counties. Not reported since the river was impounded. Was restricted to shoal habitats. EXTINCT.

Round Slitshell Gyrotoma walkeri. Extinct. Endemic to Coosa River. Historically found in shoals from Shelby to Coosa counties. Not reported since the river was impounded. Was restricted to shoal habitats. EXTINCT.

Note: In Alabama, it is illegal to release or stock or move any fish, mussel, snail or crayfish to any public waters without a permit.


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