Porcellana sigsbeiana A. Milne-Edwards, 1880

Ferreira, Luciane Augusto De Azevedo & Melo, Gustavo Augusto Schmidt De, 2016, Porcelain crabs from Brazil (Crustacea: Decapoda: Anomura: Porcellanidae), Zootaxa 4092 (2), pp. 175-194 : 191-192

Porcellana sigsbeiana A. Milne-Edwards, 1880

( Fig. 3 D)

Porcellana sigsbeiana A. Milne-Edwards, 1880: 35 (type-locality: off delta of Mississippi River, north of Yucatan and Flannegan Passage, Virgin Islands).

Material examined. USA: Massachusets—Martha´s Vineyard, 245 m, 1 male (USNM-35401). North Carolina— Cape Lookout, 307 m, 1 female (USNM-11280).

Recognition characters: Carapace as long as broad, convex; lateral margin slightly upturned, epibranchial angle defined by deep groove; gastric region dilated. Front strongly trilobate; median lobe depressed, exceeding lateral lobes. Outer orbital angle produced into broad tooth, directed downward. Chelipeds robust and slightly rugose; merus with broad, spine-tipped triangular lobe on flexor margin; carpus thin, flexor margin with proximal small spiniform tooth; propodus robust, flexor margin fringed with short setae; fingers less than half length of palm, curved, serrate margins. Walking legs slender; propodus unarmed, dactylus with 4 spines on flexor margin. Gonopods present in males. Telson composed of 7 plates.

Habitat. Associated with echinoderms (Veloso 1998), from 16–393 m depth (Werding 1977; Williams 1984).

Geographic distribution. Western Atlantic—USA, Massachusetts, North Carolina, Florida, Mississippi, Louisiana; Mexico, Tamaulipas, Veracruz, Campeche and Yucatan; Honduras; Cuba; Puerto Rico; Virgin Islands; Colombia; Venezuela; Trinidad; Suriname; and Brazil (from Pará to Maranhão).

Figures

FIGURE 3. Preserved specimens, dorsal view. A, Polyonyx gibbesi Haig, 1956, male (MZUSP- 7146); B, Pisidia brasiliensis Haig in Rodrigues da Costa, 1968, male (MZUSP- 11300); C, Porcellana sayana (Leach, 1820), male (MZUSP- 13727); D, Porcellana sigsbeiana A. Milne-Edwards, 1880, male (USNM- 35401). Scales: A, C – D (5 mm); B (1 mm).