|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||Enantiornithine bird with long and slender tibiotarsus and tarsometatarsus possessing the following autapomorphies: suboval articular surface of proximal end of tibiotarsus; distal tibiotarsal condyles strongly projected cranially; plantar surface of proximal half of metatarsal II forming a prominent edge; subcircular knob on proximal end of metatarsal II; hypotarsus mostly developed over metatarsal II.|