This taxon is considered nomen dubium, species not entered
of the valid taxon Ankylosauria
according to the Paleobiology Database.
See the page for Ankylosauria →
Bibliography
Original description
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