1820
Orthoceratites regularis — Schlotheim, pp. 54
1931
Orthoceras regulare Schlotheim — Troedsson
1956
Orthoceras regulare Schlotheim, 1820 — Balashov, pp. 234, fig. I 1-4A,b; II 1-4a,б; 5a,б
1970
Orthoceras regulare Schlotheim — Rõõmusoks, pp. 43
2002
Orthoceras regulare (Schlotheim, 1820) — Mutvei, pp. 158
2004
Orthoceras regulare Schlotheim, 1820 — Kröger, pp. 59, fig. 28