1841 Goniatites undulatus Brown: 213, pl.7, figs.1, 2, 3, 4, 5.
1924 Homoceras diadema var. undulatum.-Bisat: 105.
1943 Homoceras undulatum.-Bisat & Hudson, p.408, pl.26 fig.1a,1b,2.
1960 Homoceras undulatum.-Butcher & Hodson: 78, pl.19 fig.2.
1960 Homoceras undulatum.-Chalard: pl.B fig.1-2.
1985 Homoceras undulatum.-Manger, Weyant & Pareyn: 192, pl.1 fig.D, L.
1985 Homoceras undulatum.-Lemosquet, Conrad & Manger:421, pl.8 fig.12.

Lectotype Manchester L.10241. designated by Bisat & Hudson, 1943, p 408,. pl. 26, fig. 1a, 1b