Izv. Akad. Nauk kazakh. SSR (Geol.) 1970 (6): 53. (Proposed for some Species of Cheirurus (s. l.) which were later referred to Hadromeros Lane 1971. See Apollonov 1974, Ashgillian trilobites of Kazakhstan. Inst. Geol. Nauk, Akad. Nauk Kazakh. SSR, Alma-At