When published, the types of two previously validly published fossil-genera were included: Bockschia Goepp. (in Institut, Prem. Sect., Sci. Math. 4(156): 141. 4 May 1836) and Hippurites Lindl. & Hutton (Foss. Fl. Gr. Brit. 2(12): [87]. Apr 1834).
non Equisetites K. Sternberg, Versuch Fl. Vorwelt 2(5-6): 43. Oct 1833.