Meet Khankhuuluu mongoliensis, the Dragon Prince of Mongolia https://paleonerdish.wordpress.com/2025/06/16/meet-khankhuuluu-mongoliensis-the-dragon-prince-of-mongolia/ by @Ferwen
"The spread of #tyrannosaurs began about 90 million years ago when a species similar to #Khankhuuluu crossed from Asia into America. 79 Mya, at least one lineage returned to Asia. Two distinct lineages were given rise to by this: one smaller and slender, one giant and stocky. One of these large-bodied tyrannosaurs then dispersed back into America around 70 Mya, resulting in T. rex"