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de Haan, 1839

Body of a size varying from small to very large. Carapace elongated or quadrangular, rarely narrowing anteriorly, with deep vertical sides. On the dorsal surface of the carapace always a linea homolica and, generally, at least two distinct horizontal grooves, cervical and branchio-cardiac. Often a "human face". Epistome normally developed. A pair of pseudorostral teeth or spines, varying from short to long. Orbit absent or weakly defined; exceptionally an orbital plate; generally eyes not completely sheltered by the orbits. Third maxilliped pediform, subpediform, more rarely operculiform. Male abdomen covering the whole thoracic sternum, sometimes partly the coxae of the legs. Female abdomen with all segments distinct, or sometimes with segments 5 and 6 fused. P5 reduced in size, dorsal and always with a special terminal apparatus, varying from simple (subcheliform) to complex, sometimes with a distinct chela. Carrying behaviour. (Guinot 1998)

Genera treated:
genus Homola Leach, 1815
genus Homolochunia Doflein, 1904
genus Homologenus A. Milne Edwards, 1888
genus Homolomannia Ihle, 1912
genus Ihlopsis Guinot & Richer de Forges, 1995
genus Lamoha Ng, 1998
genus Latreillopsis Henderson, 1888
genus Moloha Barnard, 1947
genus Paromola Wood-Mason, 1891
genus Paromolopsis Wood-Mason, 1891
genus Yaldwynopsis Guinot & Richer de Forges, 1995

Porter crabs (Family Homolidae)