1900
Thamniscus orosus — Wiman, pp. 181, fig. VI 8-11
1911
Pseudohornera orosa (Wiman, 1902) — Bassler, pp. 174, fig. 91
1958
Pseudohornera orosa (Wiman, 1902) — Männil, pp. 330
1981
Pseudohornera orosa (Wiman) — Brood, pp. 20
1982
Pseudohornera orosa (Wiman, 1902) — Brood, pp. 175, fig. 6 G-H
1984
Thamniscus orosus (?) orosus Wiman, 1901 — Spjeldnaes, pp. 16
1992
Ojlepora orosa (Wiman, 1901) — Dzik, pp. 52