Reconstruction of Navaornis hestiae （Image source：TotalDino， CC BY 4.0 ） Age Cretaceous（ Late Cretaceous ） 85 - 75 Ma Taxonomy Kingdom：Animalia Phylum：Chordata Class：Sauropsida Order：Saurischia Genus： Navaornis Species： Navaornis hestiae Morphological description Navaornis hestiae possesses a toothless skull in which the premaxillae are fully fused into a single element with a convex dorsorostral surface. The jugal is strongly curved, while the quadratojugal is small and c

Reconstruction of Feitianius paradisi （Image source：Luxquine， CC BY-SA 4.0 ） Age Cretaceous（Aptian） 122 Ma Taxonomy Kingdom：Animalia Phylum：Chordata Class：Sauropsida Order：Saurischia Genus： Feitianius Species： Feitianius paradisi Morphological description Feitianius paradisi is a small enantiornithine bird, with a femur length of 27 mm, indicating a very small body size. The pygostyle is well developed, featuring a craniodorsal fork, ventrolateral processes, and a distally