The present paper reports the occurrence of the seventh species in the genus Amphiorchis (Digenea: Spirorchiidae) collected from the heart of a green turtle found in Florida, USA. A taxonomic key to the species of Amphiorchis and a literature review for the genus are presented.
Keywords: Amphiorchis; Amphiorchis stacyi; Chelonia mydas; New species; Spirorchiidae.