Shoal sprite

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Shoal sprite
Amphigyra alabamensis shell.jpg
Shells of Amphigyra alabamensis
Scientific classification
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
(unranked): clade Heterobranchia
clade Euthyneura
clade Panpulmonata
clade Hygrophila
Superfamily: Planorboidea
Family: Planorbidae
Genus: Amphigyra
Species: A. alabamensis
Binomial name
Amphigyra alabamensis
Pilsbry, 1906[2]
Location of the Coosa River, in green

The shoal sprite (Amphigyra alabamensis) was a species of minute, air-breathing, freshwater snail, an aquatic pulmonate gastropod mollusk in the family Planorbidae, the ram's horn snails. This species was endemic to Alabama, but it is now extinct.

Drawing of detail of the radula of Amphigyra alabamensis

Original description[edit]

Species Amphigyra alabamensis was originally described by Henry Augustus Pilsbry in 1906.[2]

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

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


  1. ^ Bogan, A.E. (2000). "Amphigyra alabamensis". The IUCN Red List of Threatened Species. IUCN. 2000: e.T1168A3301341. doi:10.2305/IUCN.UK.2000.RLTS.T1168A3301341.en. Retrieved 11 January 2018. 
  2. ^ a b Pilsbry H. A. September 1906. Two new American genera of Basommatophora. The Nautilus, volume 20, number 5, pages 49–50.