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Mammalia - Acreodi
It was reranked as the superfamily Mesonychoidea by Szalay and Gould (1966) and Gingerich (1982); it was reranked as the unranked clade Mesonychia by Tabuce et al. (2011).
It was assigned to Condylarthra by Szalay and Gould (1966) and Gingerich (1982); to Paraxonia by Thewissen et al. (2001); to Eutheria by Carroll (1988) and Geisler and McKenna (2007); and to Acreodi by Tabuce 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.