Genus Naineris Blainville, 1828

Naineris laevigata (Grube 1855)

DISTRIBUTION: NA, CA, SA.

LITERATURE RECORDS: Meštrov 1957; Lorenz 1863; Amoureux 1983c; Avčin & Vrišer 1983; Gherardi et al. 1993; Giangrande & Rubino 1994; Požar-Domac 1994; Giangrande & Fraschetti 1995, 1996; Giangrande & Montanaro 1997; Zavodnik & Kovačić 2000; Piscitelli et al. 2001; Giangrande et al., 2001, 2002b; Nonnis et al. 2002; Solis-Weiss et al. 2007; Castelli et al. 2008; Schirosi et al. 2010.

NEW RECORDS: BM7, BM19.

OTHER REPORTED NAMES: Aricia laevigata Grube 1855; Nainereis laevigata (Grube 1855) .

Naineris quadricuspida (Fabricius, 1780)

DISTRIBUTION: NA.

LITERATURE RECORDS: Katzmann 1971, 1972; Velimirov & Sint 1975; Amoureux 1983c; Požar-Domac 1994. OTHER REPORTED NAMES: Nainereis quadricuspida (Fabricius, 1780) .

(AL) Naineris setosa (Verrill, 1900)

DISTRIBUTION: SA.

LITERATURE RECORDS: Blake & Giangrande 2011.

REMARKS: Recorded for the first time in the Adriatic Sea in an aquaculture facility in Brindisi (SA) by Blake & Giangrande (2011). It was considered to be a possible alien species in the Adriatic Sea that ranges naturally along the US Atlantic coast from Maine to the Gulf of Mexico.