Cyclocystoides Salter and Billings 1858

Cyclocystoidea - Cyclocystoididae

Parent taxon: Cyclocystoididae according to A. B. Smith and C.R.C. Paul 1982

See also Henderson and Shergold 1971, Parsley 1981, Regnéll 1945, Salter and Billings 1858 and Sepkoski 2002

Sister taxa: Actinodiscus, Apycnodiscus, Diastocycloides, Monocycloides, Narrawayella, Nicholsodiscus, Polytryphocycloides, Sievertsia, Zygocycloides

Subtaxa: Cyclocystoides halli Cyclocystoides latus Cyclocystoides scammaphoris Cyclocystoides tholicos

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Type: Cyclocystoides halli

Ecology: stationary low-level epifaunal


• Ordovician of Canada (1: Ontario collection), the Russian Federation (1), United States (32: Illinois, Illinois, Iowa, Iowa, Kentucky, Minnesota, Ohio, Oklahoma, illinois)

Total: 34 collections including 38 occurrences

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Specimen images are retrieved through the ePANDDA API.

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