fronde speciosa, dichotoma, bipinnata, pinnis erecto-patentibus longiusculis, inferioribus usque ad basin in aequaliter dichotomis, segmento inferiore superiore minore, profunde divisis, lobis subdivergentibus, elongato-cuneatis, plus minusve incisis, superioribus clavatolanceolatis, vel obovato-oblongis, nervis numerosis eodem modo quam pinnulæ et lobi divisis.
typeseries:
Brongt. Hist. d. vég. foss., p. 16, tab. XLVI et XLVII. Sternb., Flor.d. Vorw., V, p. 25, tab. LIV, f. 4.
Scratchpads developed and conceived by (alphabetical):
Ed Baker,
Katherine Bouton
Alice Heaton
Dimitris Koureas,
Laurence Livermore,
Dave Roberts,
Simon Rycroft,
Ben Scott,
Vince Smith