Erythrymenia obovata Schmitz ex Mazza, 1921 [1919–1925]: 107–111 (type locality: Port Alfred, Cape Province, South Africa).—De Toni, 1924: 293.— Kylin, 1931: 13.— Stephenson, 1947: 303.— Kylin, 1956: 332–333.— Sparling, 1957: 363–365, figs. 13a–c, pl. 57.— Seagrief, 1977: 90.— D. Irvine & Guiry, 1980: 298, pl. II : fig. 7.— Seagrief, 1988: 60, fig. 5:12.
INDIAN OCEAN DISTRIBUTION: South Africa.