|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 triporate, equatorial limb circular; pore P α 1, P β 2, P γ 1; sculpture type reticulate (diameter of lumina about 0.8 μ); thickness of exine about 1.3 μ; ectexine thicker than endexine. Muri simplibaculate and grain semitectate. Sometimes pores of type P α 2, which means that they probably have costar pori, although the latter are not always visible.|