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Mammalia - Didymoconida
It was reranked as the order Didymoconida by Lopatin (2001) and Lopatin (2006).
It was assigned to Palaeoryctoidea by Van Valen (1967) and Mellett and Szalay (1968); to Mesonychoidea by Gingerich (1982); to Mesonychia by Lopatin (1997); to Eutheria by Lopatin (2001); and to Insectivora by Lopatin (2006).
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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.