|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||External Literature Search||Age range and collections|
If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.
|A. E. González-Guzmán 1967||Pollen grain syncolporate, angular-subspheroidal; furrow C α 1, C β 2, C γ 2; pore P α 2b, P β 2, P γ 2; sculpture type reticulate-verrucate. Reticulum indistinct, fading out towards poles. The three furrows connected at the poles. Thickness of exine 3.8 μ; ectexine thicker than endexine. Muri duplibaculate. Wall semitectate. Some specimens with perforate tectum. Furrows and pores granulated.|