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: Apycnodiscus decussatum
Ecology: stationary low-level epifaunal
• Silurian of Sweden (1 collection)
Total: 6 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.