San Marcos gambusia

San Marcos gambusia
Scientific classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Cyprinodontiformes
Family: Poeciliidae
Genus: Gambusia
Species:
G. georgei
Binomial name
Gambusia georgei
C. Hubbs & Peden, 1969

The San Marcos gambusia (Gambusia georgei) is a likely extinct species of Gambusia from the family Poeciliidae that was found only in the San Marcos Springs of Central Texas. The fish has not been seen since 1983.