The euparine genus Cnematoplatys Schmidt, with seven species, is reviewed, including one species, C. yorkensis described as new. The generic diagnosis is revised, a lectotype of the type species, C. benardi Schmidt, is designated, a key to the species is provided and pertinent morphological details are illustrated. All data on taxonomy and available data on distribution are given, and a cladistic analysis is included to test the monophyly of the genus.