200
Drepanoistodus basiovalis Lindström 1971 — Löfgren, fig. 4w
1963
Oistodus basiovalis — Sregeeva, pp. 96, fig. 7:6-7; text fig. 3
1967
Oistodus basiovalis Sergeeva, 1963 — Viira, pp. 321, fig. fig.1
1971
Drepanoistodus basiovalis (Sergeeva) — Lindström, pp. 43, fig. text figs 6,8
1978
Drepanoistodus basiovalis (Sergeeva, 1963) — Löfgren, pp. 55-56
1990
Drepanoistodus basiovalis Lindström 1971 — Stouge & Bagnoli, pp. 15, fig. 5:18-24
1990
Drepanoistodus basiovalis Lindström 1971 — Dzik, fig. 12
1991
Drepanoistodus basiovalis Lindström 1971 — Rasmussen, pp. 277, fig. 61
1994
Drepanoistodus basiovalis Lindström 1971 — Löfgren, fig. 6.30
2001
Drepanoistodus basiovalis Lindström 1971 — Viira et al., fig. fig. 5z
2003
Drepanoistodus basiovalis — Tolmacheva et al., pp. 33
2006
Drepanoistodus basiovalis Lindström 1971 — Löfgren, fig. figs 3n, 3ab
2018
Drepanoistodus basiovalis — Wu et al.
2021
Drepanoistodus basiovalis (Sergeeva, 1963) — Rasmussen et al., pp. 118-119, fig. 6A-D