Family
Dactylocrinidae Bather, 1899
Selection of related publications
Bekker, H. 1924. Devon Irboska ümbruses: stratigraafia, fauna ja paleogeograafia.  Eesti Loodusteaduse Arhiiv   X,   1,   1-55.  K. Mattiesen. 
Angelin, N. P. 1878. Iconographica Crinoideorum in stratis Sueciae siluricis fossilium. 2. Cystidea. pp. 1-62.  Samson & Wallin. 
Pacht, R. 1852. Dimerocrinites Oligoptilus : ein Beitrag zur Kenntniss der Gattung Dimerocrinites : (mit drei lithographirten Tafeln). pp. 1-30.  Buchdruckerei der Kaiserlichen Akademie der Wissenschaften. 
List of species
1. Calpiocrinus ovatus Angelin, 1878 | Wenlock
2. Calpiocrinus rotundatus Springer, 1906 | Wenlock
Classification
| Organism group | Biota | 
| Kingdom | Animalia | 
| Phylum | Echinodermata | 
| Subphylum | Pelmatozoa | 
| Class | Crinoidea | 
| Superclass | Pentacrinoidea | 
| Infraclass | Inadunata | 
| Parvclass | Cladida | 
| Superorder | Flexibilia | 
| Order | Sagenocrinida | 
| Family | Dactylocrinidae | 
| Genus | Calpiocrinus | 
| Dactylocrinus | |
| Lithocrinus | |
| Family | Homalocrinidae | 
| Icthyocrinidae | |
| Sagenocrinitidae |