|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||External Literature Search||Age range and collections|
Reptilia - Avetheropoda
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.
|L. M. Chiappe 1993||Enantiomithine bird with short and broad tarsometatarsus possessing the following autapomorphies: distal end much broader than proximal end; broad, dorsoplantarly compressed, and pulleylike trochlea of metatarsal II; distal end of metatarsal III laterally curved; metatarsal IV equal in length to metatarsal III; prominent dorsal ridge between distal halves of metatarsals II and III.|