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It was reranked as the superfamily Poposauroidea by Huene (1934) and Huene (1934); it was reranked as the unranked clade Poposauroidea by Weinbaum and Hungerbühler (2007), Nesbitt (2011) and Gauthier et al. (2011).
It was assigned to Orthopoda by Nopcsa (1928); to Ornithischia by Huene (1934) and Huene (1934); to Paracrocodylomorpha by Weinbaum and Hungerbühler (2007) and Nesbitt (2011); and to Suchia by Gauthier et al. (2011).
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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.