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Chuanqilong has a similar ratio of humerus to femur length to Ankylosaurus, but lower than that of other juvenile ankylosaur specimens and Hungarosaurus. The tibia is shorter than the femur and robust, with the proximal end having a transverse expansion that is weaker then that of the distal end of the tibia. Slightly shorter than the tibia is ...
Ankylosaurus [nb 1] is a genus of armored dinosaur.Its fossils have been found in geological formations dating to the very end of the Cretaceous Period, about 68–66 million years ago, in western North America, making it among the last of the non-avian dinosaurs.
Ahshislepelta (meaning "Ah-shi-sle-pah Wash shield") is a monospecific genus of ankylosaur dinosaur from New Mexico that lived during the Late Cretaceous (late Campanian stage, 74.5 Ma) in what is now the Hunter Wash Member of the Kirtland Formation. [1]
Thyreophora was defined as a clade by Paul Sereno in 1998, as "all genasaurs more closely related to Ankylosaurus than to Triceratops". Thyreophoroidea was first named by Nopcsa in 1928 and defined by Sereno in 1986, as "Scelidosaurus, Ankylosaurus, their most recent common ancestor and all of its descendants". [6]
Nodosaurinae is defined as the largest clade containing Nodosaurus textilis but not Hylaeosaurus armatus, Mymoorapelta maysi, or Polacanthus foxii, and was formally defined in 2021 by Madzia and colleagues, who utilized the name of Othenio Abel in 1919, who created the term to unite Ankylosaurus, Hierosaurus and Stegopelta.
Antarctopelta (ann-TARK-toh-PEL-tÉ™; meaning 'Antarctic shield') is a genus of ankylosaurian dinosaur, a group of large, quadrupedal herbivores, that lived during the Maastrichtian stage of the Late Cretaceous period on what is now James Ross Island, Antarctica.
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Behind the nostril two additional openings are present, in ankylosaurids named the "C1" and the "C2", which in the case of Jinyunpelta are on a level with the centre of the nostril. On the front upper edge of the maxilla a triangular depression is present. The postorbital bone does not contribute to the rear edge of the eye socket.