My take on the new Tyrannosaurid theropod, Khankhuuluu mongoliensis, chasing down a Graciliceratops, with a couple or Erketu sauropods on the background, all of them from the Bayanshire Formation, Mongolia
seen from United States

seen from Ecuador

seen from Germany
seen from Türkiye
seen from United States
seen from Costa Rica

seen from United States
seen from Türkiye
seen from United States
seen from China
seen from Venezuela
seen from China
seen from Germany

seen from United States

seen from Singapore
seen from United States

seen from United States
seen from United States

seen from Singapore
seen from United States
My take on the new Tyrannosaurid theropod, Khankhuuluu mongoliensis, chasing down a Graciliceratops, with a couple or Erketu sauropods on the background, all of them from the Bayanshire Formation, Mongolia
#Paleostream 14/06/2025
here's today's #Paleostream sketches!!!
today we sketched Hesperornis (i drew H. regalis), Asiatyrannus, Manis palaeojavanica, and Khankhuuluu
Paleontologists have identified a new species of dinosaur, Khankhuuluu, which is being described as the closest-known ancestor to the giant
Paleontologists have identified a new species of dinosaur, Khankhuuluu, which is being described as the closest-known ancestor to the giant Tyrannosaurs. The finding by an international team of researchers – led by Jared Voris and Dr. Darla Zelenitsky in the Faculty of Science at the University of Calgary – is published in the journal Nature.
Continue Reading.
14/06/2025 Khankhuuluu
Flocking Together #87
Hesperornis/Asiatyrannus
Manis palaeojavanica/Khankhuuluu
A worn dinosaur tooth of a pantyrannosaurian, possibly an indeterminate tyrannosaurin or tyrannosaurid from the Iren Dabasu Formation in Erlian Basin, Inner Mongolia, China. The tooth, while labeled as Alectrosaurus, appears to be oddly robust, almost like a Tyrannosaurus rex with an oval cross-section. The tooth has a crown height of 24mm, CBL of 12.2mm, and CBW of 8.4mm. While the denticles are worn, the midline distal serration density is around 13/5mm, while what little remains of the mesial serration is around 9.5/2mm. This gives a odd DSDI of 1.8 like a dromaeosaurid, though the mesial density may be towards the base of the carinae which tends to be finer in theropods. Though the dinosaur fauna found in this deposit appear to be basal indicating a Cenomanian to Coniacian age, other studies suggest it may be Campanian to Maastrichtian. It is unclear if this represents a late surviving basal assemblage of animals, or a typical one of its age. Material from the Iren Dabasu previously assigned to Alectrosaurus may point towards a more derived animal similar to that of Raptorex kriegsteini present, which has been controversially debated as either, a valid immature tyrannosaurid or tyrannosaurin taxon, or a juvenile Tarbosaurus species. Another possibility is the potentially similar aged Khankhuuluu mongoliensis from the Bayanshiree (Bayan Shireh) Formation that was also previously assigned to Alectrosaurus. It's possible that the tooth belongs to a cf. Khankhuuluu sp. or similar tyrannosaur found in the Iren Dabasu. The actual age of the Iren Dabasu Formation will likely be relevant in the identification of teeth here. That said, the certainty of the provenance is unclear. While Timurlengia euotica teeth from the Bissekty Formation in Uzbekistan are something erroneously sold as Alectrosaurus or Iren Debasu tyrannosaur, this specimens appears to be, or probably from the Iren Dabasu Formation.
Flocking posts
this week we drew Hesperornis, Asiatyrannus, Giant asian pangolin, and Khankhuuluu
if the color on that hesperornis looks familiar that's because it does
A portrait of the tyrannosauroidean Khankhuuluu mongoliensis from the Late Cretaceous (Cenomanian-Coniacian or Cenomanian-Turonian) of Mongolia. Its remains were discovered in the 1970s in rocks of the Bayanshiree Formation. These two specimens consist of skull bones and a partial postcranium. They were described in 1977 and assigned to Alectrosaurus. Later, differences were discovered, and the animal was described as a new genus. Khankhuuluu was a medium-sized theropod: the skull, judging by the known bones, reached approximately 60-70 cm in length, and the entire animal could have been five meters long. The skull was rather low, with less developed ornamentation than in later forms. The hind legs were apparently quite long, and the presence of an eight-centimeter-long manual claw indicates relatively developed forelimbs. The dinosaur's name means "Mongolian Dragon Prince."
Paint 3D, 2025.