Basionym Name:Inapertisporites asymetricus Sal.-Cheb. & Locq., C. r. Congr. natn. Socs. sav. Paris, sect. sci., fasc. 1. (Paleobotanique) 105: 185 + pl. I, figs 11-12 (1980)
Homotypic synonyms:Hypoxylonites asymetricus (Sal.-Cheb. & Locq.) Elsik, Palaeontographica, Abt. B 216(5-6): 146 (1990)