|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||External Literature Search||Age range and collections|
Insecta - Hemizygopteridae
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. Huguet et al. 2002||Only one row of cells in the cubito-anal area between CuAand the posterior wing margin (unique state of character within the Protanisoptera). Apparently, the bent of RP1 below the pterostigma is weak.|