P. Penkalski. 2014. A new ankylosaurid from the late Cretaceous Two Medicine Formation of Montana, USA. Acta Palaeontologica Polonica
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Bibliographie (2)
P. Penkalski. 2018. Revised systematics of the armoured dinosaur Euoplocephalus and its allies. Neues Jahrbuch für Geologie und Paläontologie Abhandlungen 287(3):261-306
DOI ↗
P. Penkalski. 2014. A new ankylosaurid from the late Cretaceous Two Medicine Formation of Montana, USA. Acta Palaeontologica Polonica
DOI ↗