Аннотация:Twelve new species from three genera of Gnathiidae are described: Caecognathia rhektos, Elaphognathia aldabrae, E. gladia, E. ramosa, Gnathia antonbruunae, G. eumeces, G. glauca, G. luxata, G. serrula, G. somalia, G. stoddarti, and G. zanzibarensis. Most are from the western Indian Ocean, with one from Thailand. Gnathia nkulu Smit & Van As, 2000, is newly recorded from Madagascar. Keys to the six species of Elaphognathia and 20 species of Gnathia from the Indian Ocean are presented.
