Genus Opisthodonta Langerhans, 1879

Opisthodonta longocirrata (Saint-Joseph, 1886)

DISTRIBUTION: SA.

LITERATURE RECORDS: Giangrande et al. 2003, 2004; Musco et al. 2004; Castelli et al. 2008. OTHER REPORTED NAMES: Pionosyllis longocirrata Saint-Joseph, 1887; Pionosyllis morenoae San Martin, 1984.

Opisthodonta serratisetosa (López, San Martín & Jiménez, 1997) DISTRIBUTION: SA.

LITERATURE RECORDS: Giangrande et al. 2003; Castelli et al. 2008. OTHER REPORTED NAMES: Pionosyllis serratisetosa López, San Martín & Jiménez, 1997.