1858
Spirigerina? undifera sp. nov. — Schmidt, pp. 210
1936
Streptis incompta sp. nov. — Ulrich et Cooper, pp. 345, fig. 50: 13, 25-27, 29, 30, 33-35
1960
Streptis incompta Ulrich et Cooper, 1936 — Nikiforova, fig. 26: 11-13
1965
Streptis undifera (Schmidt, 1858) — Wright, pp. 474-476, fig. 1: 1-4
1986
Streptis undifera (Schmidt, 1858) — Hints, pp. 21-23, fig. 1: 1-18
2017
Streptis undifera (Schmidt, 1858) — Harper et al., fig. 5T