On a new species of Shanphusa Yeo & Ng, 2007 (Brachyura, Potamoidea, Potamidae), from a cave in central Myanmar

in Crustaceana
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The potamid freshwater crab genus Shanphusa Yeo & Ng, 2007, currently contains two species from Shan State in Myanmar (= Burma): S. browneana (Kemp, 1918) (type species) and S. curtobates (Kemp, 1918). A third species, S. ywarngan sp. nov. is described from a cave in the region. The new species can easily be distinguished from its congeners by various carapace features, shape of the male telson, and structure of the male first gonopod.

On a new species of Shanphusa Yeo & Ng, 2007 (Brachyura, Potamoidea, Potamidae), from a cave in central Myanmar

in Crustaceana

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References

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Figures

  • View in gallery

    Shanphusa ywarngan sp. nov., holotype male (38.6 × 28.6 mm) (ZRC 2016.0171), Myanmar. A, overall habitus; B, dorsal view of carapace; C, left third maxilliped.

  • View in gallery

    Shanphusa ywarngan sp. nov., holotype male (38.6 × 28.6 mm) (ZRC 2016.0171), Myanmar. A, frontal view of cephalothorax; B, outer view of chelipeds; C, sternopleonal cavity; D, pleonal somites 3-6, telson and anterior part of thoracic sternum; E, pleon and posterior part of thoracic sternum; F, pleonal somites 1-6 and posterior part of thoracic sternum.

  • View in gallery

    Shanphusa ywarngan sp. nov., holotype male (38.6 × 28.6 mm) (ZRC 2016.0171), Myanmar. A, left G1 (ventral view); B, left G1 terminal segment (ventral view); C, left G1 terminal segment (dorsal view); D, left G2. Scales: A, D = 1.0 mm; B, C = 0.5 mm.

  • View in gallery

    A, Shanphusa browneana (Kemp, 1918), syntype male (38.2 × 30.3 mm) (NHM 1934.1.15.9), Myanmar; B, D, S. curtobates (Kemp, 1918), syntype male (56.9 × 40.1 mm) (ZSI 9776/10), Myanmar; C, S. curtobates (Kemp, 1918), male (34.0 × 24.3 mm) (SMNH 13920), Myanmar. A, B, overall habitus; C, ventral view of cephalothorax showing pleonal somites 3-6, telson and anterior part of thoracic sternum; D, sternopleonal cavity showing left G1 in situ.

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