Alexornithidae A clade in the dinosaur family tree. The entries below are classified within it. Explorornis nessovi 145–66 Mya · South America Nanantius eos 112–100 Mya · Australia Alexornis antecedens 93.6 Mya · Mexico Sazavis prisca 93.5–89.3 Mya · Uzbekistan Zhyraornis kashkarovi 92 Mya · Uzbekistan Kizylkumavis cretacea 90 Mya · Asia Lenesornis maltshevskyi 90 Mya · Mongolia Incolornis silvae 89–86 Mya · Uzbekistan