Ophiuroidea - Ankhurida

Parent taxon: Ophiuroidea according to N. S. Smith et al. 2025

Sister taxa: Ataxaster, Calclyra, Calclyridae, Calyptactis, Encrinasteridae, Euzonosomatidae, Hallasteridae, Lumectaster, Muldaster, Myophiuridadup, Nodolanx, Oegophiurida, Oegophiuridea, Oegophiuroida, Ophiaulaxoides, Ophioma, Ophiopetagno, Ophiotrigonum, Ophiurella, Ophiuridea, Phrynophiurida, Stenasteridae, Zygophiurae

Subtaxa: Ophiovalida

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Ecology: slow-moving low-level epifaunal detritivore-suspension feeder

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