Akainacephalus johnsoni Utahraptor its tail was relatively short

its tail was relatively short

Ancho 629 mm

allowing side-to-side movement but little upward and downward movement

a diapsid herbivorous reptile that lived during the Middle Triassic period (Anisian stage)

Texas y Maryland

Akainacephalus johnsoni Utahraptor its tail was relatively shortAkainacephalus johnsoni was an ankylosaurid dinosaur from the Late Cretaceous of North America, known from remains recovered from the Kaiparowits Formation in southern Utah, within the ancient island continent of Laramidia. Formally described in 2018 by Wiersma and Randall Irmis, this taxon represents one of the most complete ankylosaurids known from southern Laramidia and provides key information on the regional diversity of armoured dinosaurs during