Genus
Esthonocrinus Jaekel, 1918
Selection of related publications
Hecker, R. F. 1964. Klass Cystoidea. Cistoidei.  Osnovy paleontologii. Iglokožie, gemihordovye, pogonofory i ŝetinkočelûstnye, pp. 30-45.   Nedra. 
Jaekel, O. 1918. Phylogenie und System der Pelmatozoen.  Paläontologische Zeitschrift   3,   1,   1-128. DOI:10.1007/BF03190413
List of species
1. Esthonocrinus laevior Jaekel, 1918 | Haljala Stage
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Classification
| Organism group | Biota | 
| Kingdom | Animalia | 
| Phylum | Echinodermata | 
| Subphylum | Pelmatozoa | 
| Class | Crinoidea | 
| Superclass | Pentacrinoidea | 
| Infraclass | Inadunata | 
| Parvclass | Cladida | 
| Magnorder | Eucladida | 
| Superorder | Cyathoformes | 
| Family | Dendrocrinidae | 
| Genus | Esthonocrinus | 
| Species | laevior | 
| Genus | Rozhnovicrinus | 
References based on distribution
- Hecker, 1964c Middle Ordovician