Species
There are currently 2 species in this genus: * '' Microstoma australis'' Gon & A. L. Stewart, 2014 (Slender smallmouth) Gon, O. & Stewart, A.L. (2014): Description of a new species of Microstoma (Pisces, Microstomatidae) from the southwestern Pacific Ocean. ''Zootaxa, 3884 (1): 55–64.'' * '' Microstoma microstoma'' A. Risso, 1810 (Slender argentine)References
Microstomatidae Ray-finned fish genera Taxa named by Georges Cuvier {{Argentiniformes-stub