Parathelphusidae

Parathelphusa convexa, from here.

Belongs within: Heterotremata.

The Parathelphusidae are a family of freshwater crabs found from southern Asia to New Guinea.

Characters (from Brandis & Sharma 2005): Second gonopod with spoon-like projection embracing the stem funnel-like, ending in groove formed by lateral invagination and projecting ventro- and dorsolateral margins; male abdomen very narrow, lateral margins sinuous. Eyes with small cornea.

<==Parathelphusidae
    |--+--Ceylonthelphusa rugosa DC06
    |  `--Oziothelphusa senex DC06
    `--+--Parathelphusa Milne Edwards 1853 DC06, BS05
       |    |--P. convexa De Man 1879 H86
       |    |--P. hydrodromous (Herbst 1794) OM03
       |    `--P. maculata DC06
       `--+--Sayamia sexpunctata DC06
          `--Rouxana Bott 1969 DC06, H86
               |--R. ingrami DC06
               |--R. minima DC06
               `--R. phreatica Holthuis 1982 DC06, H86

*Type species of generic name indicated

REFERENCES

[BS05] Brandis, D., & S. Sharma. 2005. Taxonomic revision of the freshwater crab fauna of Nepal with description of a new species (Crustacea, Decapoda, Brachyura, Potamoidea and Gecarcinucoidea). Senckenbergiana Biologica 85: 1-30.

[DC06] Daniels, S. R., N. Cumberlidge, M. Pérez-Losada, S. A. E. Marijnissen & K. A. Crandall. 2006. Evolution of Afrotropical freshwater crab lineages obscured by morphological convergence. Molecular Phylogenetics and Evolution 40 (1): 227-235.

[H86] Holthuis, L. B. 1986. Decapoda. In Stygofauna Mundi: A Faunistic, Distributional, and Ecological Synthesis of the World Fauna inhabiting Subterranean Waters (including the Marine Interstitial) (L. Botosaneanu, ed.) pp. 589-615. E. J. Brill / Dr. W. Backhuys: Leiden.

[OM03] Oh, C.-W., C.-W. Ma, R. G. Hartnoll & H.-L. Suh. 2003. Reproduction and population dynamics of the temperate freshwater shrimp, Neocaridina denticulata denticulata (de Haan, 1844), in a Korean stream. Crustaceana 76 (8): 993-1015.