Calclyra Frizzell and Exline 1955 (brittle star)


Full reference: D. L. Frizzell and H. Exline. 1955. Monograph of fossil holothurian sclerites. Bulletin of the Missouri University School of Metallurgy and Mines, Technical series 89:1-204

Parent taxon: Ophiuroidea according to M. Reich 2007

See also Deflandre-Rigaud 1962, Frizzell and Exline 1955, Kozur and Mostler 1989, Mostler 1971, Sepkoski 2002 and Wernlund 1977

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

Subtaxa: Calclyra carbonica Calclyra eiseliana Calclyra gracilis Calclyra spathulata Calclyra spinata Calclyra triangulata

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Type: Prosynapta eiseliana

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


• Permian of Germany (1 collection), Italy (1), United States (1: Texas)

• Carboniferous of Afghanistan (1)

Total: 4 collections including 7 occurrences

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