 novomexicanus" has been removed from "Broiliellus" and classified as a closer relative of "Cacops".The original specimen is now housed in the University of California Museum of Paleontology and is referred to as the "Rio Arriba taxon" because of its uncertain phylogenetic placement.The genus "Alegeinosaurus" Case, 1911 was synonymized with "Aspidosaurus" by Gee (2018) based on a redescription of the holotype.