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Family Pilumnidae Samouelle, 1819 (Hairy Crabs)

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Atlas of Crabs of the Persian Gulf
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Abstract

Carapace hexagonal, transversely rectangular or ovate; dorsal surface moderately convex, smooth, with granules or spines, usually with long setae, sometimes without setae, regions relatively well defined; anterolateral margins usually with three teeth, spines or lobes, junction between anterolateral and posterolateral margins demarcated with tubercles or spines. Front shorter than posterior margin of carapace, often bilobed with distinct median notch, not or slightly deflexed. Orbits slightly shorter than frontal margin, with or without fissures on supraorbital margin; eyestalks moderately long, not fully covered by orbit. Antennules folded transversely. Antennae with short flagellum. Abdomen of males and females with seven freely moving somites, male abdomen never reaching to anterior margin of cheliped coxa. G1 slender, distinctly S-shaped; G2 very short, stout, comma-shaped. Genital opening of males coxal. Genital opening of females sternal.

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Naderloo, R. (2017). Family Pilumnidae Samouelle, 1819 (Hairy Crabs). In: Atlas of Crabs of the Persian Gulf. Springer, Cham. https://doi.org/10.1007/978-3-319-49374-9_26

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