LAUSR

New members of the order Cnemidolestida (Insecta: Perlidea) from Middle Permian–Middle Triassic localities of Eurasia are described. Tillyardembia zalazna sp. nov. (Upper Permian, Vyatkian; Zalazna locality, Russia) and Udembia udmurtica gen. et sp. nov. (Middle Permian, Urzhumian; Kostovaty locality, Russia) are assigned to the family Tillyardembiidae. Micropermula ceceya sp. nov. (Upper Permian, Severodvinian; Bor Tologoi locality, Mongolia), Sibestia nana gen et sp. nov. (Middle Permian, Kazanian; Kaltan locality, Russia), Votyak pictus gen. et sp. nov. (Kostovaty locality), Vokhmia pyriformis gen. et sp. nov., V. laxa gen. et sp. nov. (Upper Permian, Vyatkian; Nedubrovo locality, Russia), and Aiban kichineis gen. et sp. nov. (Middle Triassic, Ladinian; Madygen locality, Kyrgyzstan) belong to the family Sylvabestiidae. Issatermes parvus gen. et sp. nov. (Issatermitidae fam. nov.) is described from the Upper Permian Isady locality (Severodvinian of Russia).