|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||External Literature Search||Age range and collections|
It was assigned to Ornithopoda by Lockley (1987); to Hadrosauridae by Alonso (1980), Leonardi (1981), Leonardi (1989), Jaillard et al. (1993) and Vremir and Codrea (2002); and to Theropoda by Lockley et al. (2003).
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If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.