Amphigyra alabamensis
The shoal sprite, scientific name Amphigyra alabamensis, was a species of air-breathing freshwater snail, an aquatic pulmonate gastropoda mollusca trong họ Planorbidae, the ram's horn snails.

This species was đặc hữu to Hoa Kỳ. It is now extinct.

Original description 
Species Amphigyra alabamensis was originally được mô tả by Henry tháng 8us Pilsbry năm 1906.

Type locality is Coosa River near or in Wetumpka, Alabama.

Pilsbry's original text (the type description) reads as follows:

Chú thích

Tham khảo
 

Amphigyra
The shoal sprite , scientific name Amphigyra alabamensis , was a species of air- breathing freshwater snail , an aquatic pulmonate gastropoda mollusca trong họ Planorbidae , the ram 's horn snails . This species was đặc hữu to Hoa Kỳ . It is now extinct . Original description Species Amphigyra alabamensis was originally được mô tả by Henry thángs Pilsbry năm Type locality is Coosa River near or in Wetumpka , Alabama . Pilsbry 's original text (the type description) reads as follows : Chú thích Tham khảo Amphigyra