Seychellister mornicus, gen. and sp. nov. is described based on three specimens collected by sifting of leaf-litter in Mahé, Seychelles. The genus is tentatively placed in the subtribe Clavigerodina (Pselaphinae: Clavigeritae: Clavigerini).
Keywords: Coleoptera, Staphylinidae, Pselaphinae.