Porcellanidae Haworth, 1825 Porcellanidae Haworth, 1825: 184. Diagnosis. Rostrum well developed to obsolete, if well-developed, broad, subtriangular, flattened. Supraocular spines present or absent. Carapace (excluding rostrum) longer than wide to wider than long; dorsal surface smooth or variously ornamented with faint striae or tubercles. Tailfan well developed, folded against preceding somite, telson distinctly subdivided into 5 or 7 plates. Eyes with well-developed cornea. Antennal peduncle directed laterally or posteriorly. Maxilliped 1 exopod flagellum well developed. Maxilliped 3 operculiform; ischium and merus elongate, broad, expanded mesially; epipod absent. Chelipeds flattened. Remarks. De Grave et al. (2009) provide a checklist of extant and fossil porcellanid genera and Osawa & McLaughlin (2010) list the extant porcellanid species.

Published as part of Ahyong, Shane T., Baba, Keiji, Macpherson, Enrique & Poore, Gary C. B., 2010, A new classification of the Galatheoidea (Crustacea: Decapoda: Anomura), pp. 57-68 in Zootaxa 2676 (1) on page 64, DOI: 10.11646/zootaxa.2676.1.4, http://zenodo.org/record/5302184