|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||External Literature Search||Age range and collections|
Actinopteri - Palaeonisciformes - Acrolepidae
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. López-Arbarello et al. 2010||Species of Challaia distinguished by the following combination of characters: large marginal teeth with a striated surface; five anteopercular bones; anterior border of preoperculum as deep as anterior portion of postorbital plate of maxilla; more than 20 branchiostegal bones.|