Nematocarcinus undulatipes Bate 1888, N. tenuipes Bate 1888, N. productus Bate 1888, N. subtilis Burukovsky 2000, N. kaiensis Burukovsky 2000, N. subtegulisfactus Burukovsky 2000, and N. richeri Burukovsky 2000, were found in the collection of the

The disto-ventral organ of the 6th abdominal segment was found for the first time, and in was a cause to redescribe shrimps of the genus Nematocarcinus. The diagnosis of the species N. nudirostris, described previously by the author, was corrected and

During two scientific expeditions in the South China Sea and the Kyushu-Palau Ridge area, several specimens of thread-leg shrimp were collected from deep waters. Amongst them, three species, Nematocarcinus evansi Burukovsky, 2000, N. exilis (Spence