Nanotyrannus lancencis Muttaburrasaurus Despite conservation efforts in the

Despite conservation efforts in the 1920s

Height: 33 mm

but not as extremely reduced as in some large abelisaurids

Base length 164mm

Nanotyrannus lancencis Muttaburrasaurus Despite conservation efforts in theNanotyrannus lancensis is a controversial tyrannosaurid theropod taxon from the Late Cretaceous (Late Maastrichtian), known primarily from a relatively complete skull (CMNH 7541) found in the Hell Creek Formation of Montana, USA. Its validity as a separate genus has been widely debated, with numerous studies interpreting it as a juvenile Tyrannosaurus rex , while others maintain that it possesses its own diagnostic features. The type specimen is a