Synonyms: Cratonychus; Cremnostethus; Cremnosthetus; Ctenonychus; Dodecactenus; Kensaculus; Kensakulus; Malanotus; Melanotopsis; Melantus; Melatonus; Menalotus; Natomelus (pro parte); Nishimelanotus; Perimeces; Perimecus; Speniscosomus; Sphenicosomus; Spheniscosomus; Tenalomus; Terimecus; Xanthus