|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 monocolpate, globular to ovoid; furrow C 1, C 1a, C 1-2; sculpture type echinate, but gemmae, micro-echinae and baculae also present. Furrow long and irregular. Maximum length of echinae 6.5 μ, maximum diameter 3.2 μ. Thickness of exine (excl. of echinae) about 2 μ; ectexine thicker than endexine.|