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It was reranked as the superorder Actinopterygia by Cope (1887); it was reranked as the superorder Actinopteri by Hay (1902); it was reranked as the infraclass Actinopteri by Grande et al. (2002) and Grande and Hilton (2006); it was reranked as the class Actinopteri by Betancur-R et al. (2013).
It was assigned to Teleostomi by Cope (1887); to Teleostomi by Hay (1902); to Pisces by Cope (1871) and Jordan (1963); to Actinopterygii by Cartanyá (1999); to Actinopterygii by Grande et al. (2002) and Grande and Hilton (2006); and to Actinopterygii by Betancur-R et al. (2013).
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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.