|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||Age range and collections|
Chondrichthyes - Symmoriiformes - Falcatidae
It was assigned to Symmoriidae by Zangerl (1981) and Williams (1985); to Symmoriida by Sepkoski (2002); to Denaeidae by Ivanov (2005); to Symmoriiformes by Maisey (2008); and to Falcatidae by Ginter et al. (2010).
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.