Nestell, G. P.; Sudar, M. N.; Jovanovic, D.; Kolar-Jurkovšek, T. (2009). Latest Permian Foraminifers from the Vlašic Mountain Area, Northwestern Serbia. Micropaleontology. 55(5): 495-513., available online at (https://www.researchgate.net/publication/262687149) page(s): p. 499 pl. 1 figs. 12(Holotype)-14, pl. 3 figs. 4-9
Nestell, G. P.; Sudar, M. N.; Jovanovic, D.; Kolar-Jurkovšek, T. (2009). Latest Permian Foraminifers from the Vlašic Mountain Area, Northwestern Serbia. Micropaleontology. 55(5): 495-513., available online at (https://www.researchgate.net/publication/262687149) page(s): p. 499 pl. 1 figs. 12(Holotype)-14, pl. 3 figs. 4-9