Alpheopsis trigonus (Rathbun, 1901)

Diagnosis. Rathbun, 1901: 111, fig. 21 (as Jousseaumea trigona Rathbun, 1901).

Locality. Fernando de Noronha Chain: Sta. 96 (2); Ceará: Sta. 40 (45), Sta. 42 (2), Sta. 59 (1); Paraíba: Sta. 33 (3).