Edrioasteroidea - Isorophida

Parent taxon: Isorophida according to J. J., Jr. Sepkoski 2002

Sister taxa: Agelacrinitidae, Chatsworthia, Curvitriordo, Deltadiscus, Floridiscus, Giganticlavus, Hadrochthus, Hadrodiscus, Lebetodiscidae, Protorophus, Rectitriordo, Stalticodiscus

Subtaxa: none

Ecology: stationary epifaunal suspension feeder

Distribution: found only at "Gamebridge edrioasteroid bed," Verulam Fm. (Ordovician of Ontario)

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Specimen images are retrieved through the ePANDDA API.