Polyonyx gibbesi Haig, 1956

Global distribution. Western Atlantic: Massachusetts , Rhode Island, North Carolina, South Carolina, eastern and western Florida, and Texas (USA) ; Panama, Venezuela, Trinidad, Puerto Rico, Rio de Janeiro to southern Brazil; La Paloma, Uruguay .

Records in Cuba. Sabana-Camagüey Archipelago, Holguín (Jururú Bay) (Martínez-Iglesias et al. 1993; Martínez-Iglesias 2007).