Genus
Constrictocrinus Hynda, 1984
List of species
1. Constrictocrinus gibberulosus Hynda, 1984 | Idavere Substage
Luokittelu
| Organism group | Biota |
| Kingdom | Animalia |
| Phylum | Echinodermata |
| Subphylum | Pelmatozoa |
| Class | Crinoidea |
| Organism group | Stemmed echinoderms outgroup (informal) |
| Order | Angulata (col.) |
| Family | Crenatocrininidae |
| Cyclomischidae | |
| Cyclopagodidae | |
| Genus | Acanthodocrinus |
| Constrictocrinus | |
| Species | gibberulosus |
| Genus | Cyclocyclicus (col.) |
| Irucrinus (col.) | |
| Pentagonocyclicus (col.) | |
| Rookuelacrinus | |
| Rugulosocrinus | |
| Trigonocyclicus | |
| Vialovicystis |