Genus
Bulbocrinus Stukalina, 1980
Luokittelu
| Organism group | Biota |
| Kingdom | Animalia |
| Phylum | Echinodermata |
| Subphylum | Pelmatozoa |
| Class | Crinoidea |
| Organism group | Stemmed echinoderms outgroup (informal) |
| Order | Angulata (col.) |
| Family | Mirabilicrinidae |
| Genus | Bulbocrinus |
| Mirabilicrinus |