1953
Ceratopsis bicornis n. sp. — Neckaja, pp. 339, fig. 7:1
1956
Ceratopsis bicornis Neckaja — Sarv, pp. 46
1959
Polyceratella bicornis (Neckaja) — Sarv, pp. 121, fig. 22:6
1976
Polyceratella bicornis (Neckaja) — Jaanusson, pp. 316
1992
Polyceratella bicornis (Neckaja, 1953) — Sidaravičiene, pp. 66, fig. 16:8