Periclimenaeus perlatus (Boone, 1930)

Corallocaris perlatus — Boone, 1930:45.

Periclimenaeus perlatus — Holthuis, 1951:99; Chace, 1972:29; Abele & Kim, 1986:15; Ramos-Porto & Coelho, 1998:338; Coelho et al., 2006:50; Coelho Filho, 2006:6.

Diagnosis. Rostrum is high and slightly directed downwards, almost reaches the end of antennular peduncle, dorsal margin with 7 to 9 teeth regularly divided, ventral margin unarmed. Basal segment of antennular peduncle with broad and pointed stylocerite, reaches the half of this segment and with a anterolateral spine overreaching the half of second segment of antennular peduncle. Scaphocerite with distal tooth not reaches the apex of lamella. Carapace with antennal spine. Mandible without palp. First pereopods distinctly long and slender, overreaching the scaphocerite with part of merus, fingers smaller than palm, dactylus with broad teeth in cutting margin. Second pereopod very unequal, both overreaching the scaphocerite with part of carpus. Major pereopod with finger smaller than palm. Minor pereopod with finger smaller than palm, dactylus with tooth. Third to fifth pereopods with bifid dactyli. Pleura of first five somites of abdomen rounded. Telson with 2 pairs dorsal spines and 3 pairs of spines on posterior margin.

Distribution. Western Atlantic: USA (Florida [Dry Tortugas]), Panama (Caledonia Bay), Haiti (Gonaves Bay), Brazil (Ceará, Paraíba, Pernambuco) (Figure 12). (Holthuis, 1951; Chace, 1972; Coelho et al., 2006).

Material examined. CEARÁ. Fortaleza, 120 milhas de Fortaleza, Banco Canopus, 1 ovigerous female, (MZUSP-18162).

Ecological notes. The species lives in association with of sponges in depth of 37 m (Holthuis, 1951; Chace, 1972).