Miklukho-Maklay, K. V. (1968). ????? ????????? ???????????? ? ??????????? ??????? ????????? - New Kazanian Cornuspiridae and Nodosariidae from the Russian platform. ????? ???? ??????? ???????? ? ?????????????? ????. ?????? - New species of fossil plants and invertebrates from the USSR. VSEGEI. 2(1): 137-146., available online at (https://books.google.pt/books?id=IOL5p-EeXRgC) page(s): p. 141 pl. 35 fig. 6, pl. 36 fig. 9-10 (Holotype)
Miklukho-Maklay, K. V. (1968). ????? ????????? ???????????? ? ??????????? ??????? ????????? - New Kazanian Cornuspiridae and Nodosariidae from the Russian platform. ????? ???? ??????? ???????? ? ?????????????? ????. ?????? - New species of fossil plants and invertebrates from the USSR. VSEGEI. 2(1): 137-146., available online at (https://books.google.pt/books?id=IOL5p-EeXRgC) page(s): p. 141 pl. 35 fig. 6, pl. 36 fig. 9-10 (Holotype)
