Family
Dactylocystidae Jaekel, 1899
Selection of related publications
Paul, C. R. C., Hotchkiss, F. H. C. 2020. Origin and significance of Lovén's Law in echinoderms.  Journal of Paleontology   94,   6,   1089-1102. DOI:10.1017/jpa.2020.31
Stukalina, G. A. 1979. A new family of Ordovician crinoids.  Paleontologicheski Zhurnal   1979,   4,   89-95.
Jaekel, O. 1918. Phylogenie und System der Pelmatozoen.  Paläontologische Zeitschrift   3,   1,   1-128. DOI:10.1007/BF03190413
Jaekel, O. 1899. Stammesgesihichte der Pelmatozoen. Erster Band. Thecoidea und Cystoidea. pp. 1-441.  Verlag von Julius Springer. 
List of species
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Classification
| Organism group | Biota | 
| Kingdom | Animalia | 
| Phylum | Echinodermata | 
| Subphylum | Blastozoa | 
| Class | Diploporita | 
| Superfamily | Glyptosphaeritida | 
| Family | Dactylocystidae | 
| Genus | Dactylocystis | 
| Estonocystis | |
| Revalocystis | |
| Family | Glyptosphaeritidae | 
| Gomphocystitidae | |
| Protocrinitidae |