Jurassic birds

Baminornis (meaning "Fujian Province bird") is an extinct genus of basal avialans from the Late Jurassic (Tithonian age) Nanyuan Formation of China. The genus contains a single species, Baminornis zhenghensis, known from a partial skeleton. Baminornis was initially identified as the oldest known avialan to bear a fused pygostyle, but later research cast doubt on the identification of this structure, claiming it could instead be part of the synsacrum.

Alcmonavis is a basal genus of avialan dinosaur that during the Late Jurassic lived in the area of present Germany. The only named species in the genus is Alcmonavis poeschli. Its only known fossil was originally reported as a specimen of Archaeopteryx.

Praeornis is an extinct genus of early avialan, possibly an enantiornithine, from the Late Jurassic Karabastau Formation of Kazakhstan. Only the type species is known, which is P. sharovi.