GENUS Potamilla Malmgren, 1866

Potamilla Malmgren, 1866: 401 .— Knight-Jones, 1983: 248 –249.

Potamilla floridana Augener, 1922

Potamilla floridana Augener, 1922b: 48 .

Type locality: Tortugas, SW Channel, Bird Key Reef.

Type material: MCZ (HT).

Remarks: Fauchald (1977:62) stated that specimens from Panama identified as Perkinsiana fonticula (Hoagland, 1919) are adjusted to the Augener´s description for Potamilla floridana, although he did not synonymized both species.