Cyclocystoidea - Cyclocystoididae
Full reference: A. B. Smith and C.R.C. Paul. 1982. Revision of the Class Cyclocystoidea (Echinodermata). Philosophical Transactions of the Royal Society of London, Series B 296:577-679
Parent taxon: Cyclocystoididae according to A. B. Smith and C.R.C. Paul 1982
Sister taxa: Apycnodiscus, Cyclocystoides, Diastocycloides, Monocycloides, Narrawayella, Nicholsodiscus, Perforocycloides, Polytryphocycloides, Sievertsia, Zygocycloides
Subtaxa: Actinodiscus wrighti
Type: Actinodiscus wrighti
Ecology: stationary low-level epifaunal
Distribution:
• Ordovician of the United Kingdom (1 collection), United States (4: Illinois, Iowa, Minnesota)
Total: 5 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.