Ophiuroidea - Encrinasteridae

Full reference: W. K. Spencer. 1930. A monograph of the British Palaeozoic Asteroidea. Monograph of the Palaeontographical Society, London 1828(8):389-436

Parent taxon: Encrinasteridae according to J. Dean Shackleton 2005

Sister taxa: Armathyrasterinae, Cheiropteraster, Encrinaster, Encrinasterinae, Loriolaster, Mastigactis, Urozoma

Subtaxa: Euzonosoma goldfussi, Euzonosoma montanum, Euzonosoma orbitoides, Euzonosoma pusillum, Euzonosoma schmidti

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Type: Euzonosoma orbitoides

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