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Ophiuroidea - Oegophiurida - Furcasteridae
It was synonymized subjectively with Lapworthuridae by Schuchert (1915).
It was assigned to Ophiuroidea by Spencer (1925); to Zeugophiuricae by Lehmann (1957) and Owen (1965); and to Zeugophiurina by Spencer and Wright (1966), Haude and Thomas (1983) and Boczarowski (2001).
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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.