1859
Euomphalus devexus sp. n. — Eichwald, fig. 43: 18
1860
Euomphalus devexus m. — Eichwald, pp. 1144
1861
Euomphalus devexus — Eichwald, pp. 330, fig. XXII 18 a-b
1868
Euomphalus devexus Eichwald — Bigsby, pp. 153
1889
Euomphalus devexus Eichwald — Koken, pp. 409
1896
Euomphalus devexus Eichwald — Koken, pp. 398
1897
Euomphalus devexus Eichwald — Koken, pp. 181
1925
Pachystrophia devexa (Eichwald, 1859) — Koken & Perner, pp. 123, fig. 15: 16-21
1941
Pachystrophia devexa (Eichwald) — Knight, pp. 225, fig. 74:3
1955
Pachystrophia aff. devexa (Eichwald) — Vostokova, pp. 97, fig. 4:1
1960
Pachystrophia devexa (Eichwald) — Vostokova, pp. 79, fig. 6:4
1970
Lesueurilla devexa (Eichwald) — Rõõmusoks, pp. 77
1973
Pachystrophia devexa (Eichwald) — Neben & Krueger, fig. 55:15-16
2001
Pachystrophia devexa (Eichwald) — Rohr & Measures, pp. 292, fig. 8.1-8.3