|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.
|T. Van der Hammen and C. Garcia de Mutis 1966||Stephanocolpate, scabrate; 4 colpi, which are open rather much (polar view). The polar area measures about 9 μ. Slight indication of a margo. The size is about 37 μ. The exine apparently is thin.|