Genus
Placocystites Koninck, 1869
Selection of related publications
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. Placocystites forbesianus Koninck, 1869 | Wenlock
Classification
| Organism group | Biota | 
| Kingdom | Animalia | 
| Phylum | Echinodermata | 
| Class | Stylophora | 
| Order | Mitrata | 
| Suborder | Anomalocystitida | 
| Family | Anomalocystitidae | 
| Genus | Placocystites | 
| Species | forbesianus |