Yadrenkin, A. V. (2008). Dagysina—A new nodosariid genus (foraminifera) from the Upper Triassic of Kotel'ny Island, New Siberian Islands. Paleontological Journal. 42(3): 221-226., available online at (https://doi.org/10.1134/s0031030108030015) page(s): p. 224, pl. 1, figs. 1-7 (holotype fig. 1).