1875
Chaetetes undulatus — Nicholson, pp. 176
1879
Monticulipora (Monotrypa) undulata — Nicholson, pp. 321, 322, fig. XIV 3,4
1881
Monticulipora (Monotrypa) undulata — Nicholson, pp. 170, fig. text fig. 32,33
1883
Monotrypa undulata — Foord, pp. 14
1970
Monotrypa undulataus — Ross, pp. 70, 71
2002
Monotrypa undulata (Nicholson, 1875) — Pushkin, pp. 420, fig. 4h.i