02. Haminoea antillarum (d’Orbigny, 1841) (Fig. 2B)

Material examined: Praia de Pirambúzios, Nísia Floresta, 12.IV.2010, one specimen, 2 mm (body length), leg. A. Pires (GEEFAA 344), 14.IV.2010, two specimens, 2-4 mm (body length), leg. A. Pires (GEEFAA 256a).

Description: Oblique body, predominantly translucent, light beige coloration. Shell transparent and, on the ventral side, with dark beige tone, dotted with several black circular spots. In the head, there is a one-piece cephalic shield that narrows towards the shell. On dorsal side of the shield there are black eyes very close together, similar to eyes of planarians. Slightly calcified shell, flattened at its apex and rounded at its base, with very wide cavity. The animal not able to retract completely into the shell.

1 Protected zone – Área de Proteção dos Recifes de Corais – APARC (Fig.1 – red circle,№ 2). 2 Protected zone – Área de Proteção dos Recifes de Corais – APARC (Fig.1 – red circle,№ 3). 3 Protected zone – Área de Proteção de Jenipabu – APAJ (Fig.1 – blue circle)

Geographic distribution: Eastern Atlantic, (Rios, 2009; Rosenberg et al., 2009), zoogeographic provinces: Mauritian, Senegalese and South-Eastern Atlantic (García & Bertsch, 2009); Western Atlantic: Bahamas, Belize, Bermudas, Bonaire, Cayman Island, Colombia, Costa Rica, Cuba, CuraÇao, Granada, Guadeloupe, Honduras, Jamaica, Mexico, Panama, Puerto Rico, USA, Venezuela, Virgin Islands, Brazil (Alagoas, Ceará, Pernambuco, Rio de Janeiro, Rio Grande do Norte – present study, Rio Grande do Sul, São Paulo) (García et al., 2008; Padula et al., 2012; Zamora-Silva & Ortigosa, 2012).