| 1842 | H. (S.) undulatus -- GEINITZ
, p. 87, pl.19, figs.6-10 |
| 1846 | Hippurites -- REUSS
, p. 54, pl. XLV, fig. 7-12 |
| 1849-50 | Hippurites -- GEINITZ
, p. 218 |
| 1887 | Sphaerulites undulatus Gein. -- POCTA
, p. 199 |
| 1889 | Radiolites undulatus Gein. -- POCTA
, pp. 59, 85, pl.1, figs.11-13 |
| 1909 | Sphaerulites, Hippurites, Radiolites undulatus Geinitz -- TOUCAS
, p. 125 |
| 1911 | Radiolites undulatus Gein. -- FRIC
, p. 54, text-fig.231 |
| 1912 | R. undulatus Gein. -- FRANKE
, p. 358 |
| 1932 | Radiolites undulata (Geinitz) Pocta -- KÜHN
, p. 160 |
| 1949 | Radiolites undulatus (Geinitz) Pocta -- KÜHN
, p. 274 |
| 1977 | Radiolites undata Tuomey -- COOGAN
, p. 48 |
| 1981 | Radiolites undulatus (Geinitz) -- S+NCHEZ
, p. 191 |