1858
Spirigerina didyma (pars) — Schmidt, pp. 210
1967
Didymothyris katriensis sp. nov. — Rubel et Modzalevskaya, pp. 243, fig. pl. 1: 14-17, pl. 2: 1-10, text-fig. 3
1970
Didymothyris katriensis Rubel, 1967 — Rubel, pp. 54-55, fig. pl. 29: 1-17
1984
Didymothyris katriensis Rubel, 1967 — Rubel et al., pp. 29
1985
Didymothyris katriensis Rubel, 1967 — Modzalevskaya, pp. 76, fig. pl. 15: 21