Gnathophyllum americanum Guérin-Méneville, 1855

Gnathophyllum americanum — Rathbun 1920: 9 (Aruba, Bonaire); Schmitt 1924: 72 (Curaçao); Schmitt 1935: 166 (Curaçao); Schmitt 1936: 373 (Aruba); Poupin 2018: 106 (Sint Maarten).

Ecology. Free-living in various habitats or loosely associated with corals or echinoids (De Grave & Anker 2017; Tavares et al. 2017).

Distribution. Pantropic species, widely recorded in the western Atlantic from Bermuda southwards to Bahia en Trindade Island, Brazil, occurring in depths between 0 and 50 m (De Grave & Anker 2017; Tavares et al. 2017).