Species
Crotalocrinites rugosus (Miller, 1821)
Synonymy list
1821     Cyatocrinites rugosus — Miller 
1861     Cyatocrinites rugosus Mill. — Eichwald , pp. 174, fig. X 60
1983     Cyatocrinites rugosus — Franzén , pp. 10
Selection of related publications
Franzén, C. 1983. Ecology and taxonomy of Silurian crinoids from Gotland.  Acta Universitatis Upsaliensis   665,      1-31.
Eichwald, E. 1861. Paleontologiâ Rossii. Drevnij period. II. Fauna grauvakkovoj, gornoizvestkovoj i medistoslancevatoj formacij Rossii. pp. 1-521.  R. Golike (former Ya. Ionsona). 
Schmidt, Fr. 1858. Untersuchungen über die Silurische Formation von Ehstland, Nord-Livland und Oesel.  Archiv für die Naturkunde Liv-, Ehst- und Kurlands   2,   1,   1-249.  Heinrich Laakmann. 
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Classification
| Organism group | Biota | 
| Kingdom | Animalia | 
| Phylum | Echinodermata | 
| Subphylum | Pelmatozoa | 
| Class | Crinoidea | 
| Superclass | Pentacrinoidea | 
| Infraclass | Inadunata | 
| Parvclass | Cladida | 
| Order | Cyathocrinidida | 
| Family | Crotalocrinitidae | 
| Genus | Crotalocrinites | 
| Species | pulcher | 
| rugosus | |
| verucosus | 
References based on distribution
- Eichwald, 1861a Saaremaa Isaland
- Franzen, 1983 Gotland