Reconstruction of Navaornis hestiae （image source：TotalDino，採用  CC BY 4.0  授權） 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 a

Reconstruction of Feitianius paradisi （image source：Luxquine，採用  CC BY-SA 4.0  授權） 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 dist