Ce taxon est considéré comme nomen dubium
du taxon valide Ankylosauria
selon la Paleobiology Database.
Voir la fiche de Ankylosauria →
Bibliographie
Description originale
J. Leidy. 1856. Notices of remains of extinct reptiles and fishes, discovered by Dr. F. V. Hayden in the bad lands of the Judith River, Nebraska Territory. Proceedings of the Academy of Natural Sciences of Philadelphia 8:72-73