1830
Ungula transversa sp. nov. — Pander, pp. 59, fig. Pls 3:28; 28:7a, 7b, 8a, 8b
1984
Obolus rebrovi Khazanovitch et Popov — Khazanovitch et al., pp. 39, fig. Pl. 3:14-20
1989
Obolus transversus (Pander, 1830) — Popov et Khazanovitch, pp. 101, fig. Pl. 1: 18-22
2002
Obolus apollinis Eichwald, 1829 — Emig, pp. 3
2003
Obolus transversus (Pander, 1830) — Popov & Holmer, fig. 3C; 4A