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
See also Sepkoski 2002
Type: Zygocycloides variabilis
Ecology: stationary low-level epifaunal
Distribution: found only at Arnheim - type Cincinnatian (Ordovician of Ohio)
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.