Genus
Apycnodiscus Smith et Paul, 1982
Selection of related publications
Reich, M. Kutscher, M. 2010. Cyclocystoids (Echinodermata: Echinozoa) from silurian of gotland, Sweden.  Proceedings of the 12th International Echinoderm Conference, Durham, New Hampshire, USA, 7-11 August 2006, pp. 67-70.   Taylor & Francis. 
Männil, Ralf 1987. Ordovician cyclocystoids of Baltic.  Problems of phylogenese and taxonomy of echinoderms. Abstracts, pp. 71-72.   Eesti NSV Teaduste Akadeemia. 
Regnéll, G. 1945. Non-Crinoid Pelmatozoa from the Paleozoic of Sweden. A taxonomic study.  Meddelanden från Lunds Geologisk-Mineralogiska Institution   108,      1-255.  Carl Bloms Boktryckeri. 
List of species
1. Apycnodiscus insularis (Regnéll, 1945) | Wenlock
 Loading... 
Classification
| Organism group | Biota | 
| Kingdom | Animalia | 
| Phylum | Echinodermata | 
| Class | Cyclocystoidea | 
| Family | Apycnodiscidae | 
| Genus | Actinodiscus | 
| Apycnodiscus | |
| Species | insularis | 
| Genus | Sievertsia | 
| Zygocycloides | 
References based on distribution
- Männil, Ralf, 1987b Kukruse Stage
- Reich & Kutscher, 2010 Gotland Wenlock