Geothelphusa is a genus of Asian freshwater crabs, erected by W. Stimpson in 1858.Stimpson W (1858) "Prodromus descriptionis animalium evertebratorum, quae in Expeditione ad Oceanum Pacificum Septentrionalem, a Republica Federata missa, Cadwaladaro Ringgold et Johanne Rodgers Ducibus, observavit et descripsit. Pars V. Crustacea Ocypodoidea." Proceedings of the Academy of Natural Sciences of Philadelphia, 10: 93–110, Available here
Species A study on Geothelphusa species from northern Taiwan and the Yaeyama Islands suggests that their speciation was likely driven by climatic changes during the Pleistocene, with two main clades diverging around 5.3 million years ago (Shih et al., 2011).
The World Register of Marine Species includes:
Synonyms Geothelphusa kuhlii, synonym of Terrathelphusa kuhlii Geothelphusa lanyu, synonym of Geothelphusa tawu Geothelphusa leichardti, synonym of Austrothelphusa transversa Geothelphusa lutao, synonym of Geothelphusa tawu Geothelphusa modesta, synonym of Terrathelphusa chilensis Geothelphusa neipu, synonym of Geothelphusa pingtung Geothelphusa vietnamica, synonym of Tiwaripotamon vietnamicum
References
Shih, H. T., Ng, P. K. L., Naruse, T., Shokita, S., & Liu, M. Y. (2011). Phylogenetic relationships among freshwater crab species of Geothelphusa from northern Taiwan and the Yaeyama Group of islands. Zoologischer Anzeiger, 250(4), 457–471.
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