Genus
Tetracionocrinus Ubaghs, 1971
Selection of related publications
Stukalina, G. A. 2000. Silurijskie krinoidei Sibirskoj platformy.  Transactions of the Paleontological Institute (PIN)   278,      1-108.  Nauka. 
List of species
1. Tetracionocrinus transitor (Jaekel, 1918) | Kunda Stage
Classification
| Organism group | Biota | 
| Kingdom | Animalia | 
| Phylum | Echinodermata | 
| Subphylum | Pelmatozoa | 
| Class | Crinoidea | 
| Superclass | Pentacrinoidea | 
| Infraclass | Inadunata | 
| Parvclass | Disparida | 
| Family | Perittocrinidae | 
| Genus | Perittocrinus | 
| Tetracionocrinus | |
| Species | transitor |