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-
