Microthelphusa is a genus of crabs in the family Pseudothelphusidae, containing the following species: \n* Microthelphusa barinensis Rodríguez, 1980 \n* Microthelphusa bolivari Rodríguez, 1980 \n* Microthelphusa forcarti (Pretzmann, 1967) \n* Microthelphusa ginesi Rodríguez & Esteves, 1972 \n* Microthelphusa meansi Cumberlidge, 2007 \n* Microthelphusa odaelkae (Bott, 1970) \n* Microthelphusa racenisi (Rodríguez, 1966) \n* Microthelphusa rodriguezi (Pretzmann, 1968) \n* Microthelphusa somanni (Bott, 1967) \n* Microthelphusa sucreensis Rodríguez & Campos, 2000 \n* Microthelphusa turumikiri Rodríguez, 1980 \n* Microthelphusa viloriai Suárez, 2006 \n* Microthelphusa wymanni (Rathbun, 1905)