Species
Calpiocrinus rotundatus Springer, 1906
Luokittelu
| Organism group | Biota |
| Domain | Eukaryota |
| Kingdom | Animalia |
| Phylum | Echinodermata |
| Class | Crinoidea |
| Superclass | Pentacrinoidea |
| Infraclass | Inadunata |
| Parvclass | Cladida |
| Superorder | Flexibilia |
| Order | Sagenocrinida |
| Family | Dactylocrinidae |
| Genus | Calpiocrinus |
| Species | ovatus |
| rotundatus |