Loh, L.W.; Ng, P.K.L. (1999). A revision of the spider crabs of the genus Paratymolus Miers, 1879, with descriptions of two new genera and six new species (Crustacea: Decapoda: Brachyura: Majidae). Raffles Bulletin of Zoology. 47(2): 365-407.

340678

Loh, L.W.; Ng, P.K.L.

1999

47(2): 365-407

Publication

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The taxonomy of the spider crab genus Paratymolus Miers, 1879 (Majidae) is revised. Nine species of Paratymolus s. str. are recognised, six of which are new (P. barnardi, P. coccus, P. cygnus, P. griffini, P. prolatus and P. vannus). Two previously doubtful species, P. bituberculatus Haswell, 1880, and P. hastatus Alcock, 1895, are clarified and regarded as distinct taxa whilst P. bituberculatus var. gracilis Miers, 1884, is synonymised under P. bituberculatus. The generic affinities of two species are clarified; P. latipes Haswell, 1880, is referred to Dumea, new genus, whilst P. sexspinosus Miers, 1884, is transferred to Litosus, new genus. A recently described species, P. taiwanicus Loh & Wu, 1998, is also referred to Dumea. A new Litosus species, L. giraffus, is described from Japan. The classification of Paratymolus, Dumea and Litosus as majids and their placement in the subfamily Inachinae is discussed. Keys are provided for all taxa.

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