Genus
Tetracionocrinus Ubaghs, 1971
Aiheeseen liittyvät julkaisut
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
Luokittelu
| Organism group | Biota |
| Kingdom | Animalia |
| Phylum | Echinodermata |
| Subphylum | Pelmatozoa |
| Class | Crinoidea |
| Superclass | Pentacrinoidea |
| Infraclass | Inadunata |
| Parvclass | Disparida |
| Family | Perittocrinidae |
| Genus | Perittocrinus |
| Tetracionocrinus | |
| Species | transitor |