†Polymorphocrinus Dubatolova 1989

Dubatolova 1989. Polymorphocrinidae - a new family of the Middle Devonian crinoids. Kalo, D.D.; Rozhnov, S.V.; Solovev, A.N.; Stukalina, G.A.; Khints, L.M.[Eds]. Problemy izucheniya iskopaemykh i sovremennykh iglokozhikh. [Fossil and recent echinoderm researches.], Acad. Sci. Estonia, Inst. Geol., Tallinn, 1989: 38-57. Chapter pagination: 92-97