Girvanella problematica Nicholson et Etheridge, 1878

1878     Girvanella problematica Nich. and Eth. jun. sp. nov. — Nicholson & Etheridge, pp. 23, fig. pl. 9, fig. 24

1932     Girvanella problematica Nicholson & Etheridge — Høeg, pp. 64, fig. Pl. 1:4-6

1981     Girvanella problematica Nicholson & Etheridge — Bourque et al, pp. 95, fig. Pl. 1:2-4

1985     Girvanella problematica Nicholson et Etherige, 1878 — Istchenko, pp. 56, fig. XIV 1-3

2001     Girvanella problematica Nicholson and Etheridge, 1878 — Riding & Fan, pp. 789, fig. text fig. 3B-C