1830
Productus orbicularis sp. nov. — Pander, pp. 89, fig. 15; 9a,b
1961
Orthambonites orbicularis (Pander, 1830) — Rubel
, pp. 173-175, fig. 14; 6-15 1993
Paralenorthis orbicularis (Pander, 1830) — Jaanusson et Bassett, pp. 37, fig. 4; 9-11
2003
Paralenorthis orbicularis — Tolmacheva et al., pp. 33