Basionym Name:Inapertisporites pulvinatus Sheffy & Dilcher, Palaeontographica, Abt. B 133(1-3): 40 + pl. 13, fig. 18; pl. 15, fig. 18 (1971)
Homotypic synonyms:Hypoxylonites pulvinatus (Sheffy & Dilcher) Elsik, Palaeontographica, Abt. B 216(5-6): 155 (1990)