Diphyonyx sukacevi, formerly Brachygeophilus sukacevi, is a species of soil centipede in the family Geophilidae found in the most western part of the Caucasus range and the Manych valley north of the Caucasus. This species can reach 45 mm in length and is characterized by its 65âÂÂ81 leg pairs, 5âÂÂ7 slender filaments on the mid-part of the labrum, condyles between the anterior trunk sterna, and the lack of a single, isolated pore on each coxo-pleuron.