Species
Perittocrinus radiatus (Beyrich, 1879)
Synonymy list
1879     Porocrinus radiatus — Beyrich , pp. 61
1902     Perittocrinus n. g. — Jaekel , pp. 1093
1918     Perittocrinus radiatus — Jaekel , pp. 47, fig. 36
1953     Perittocrinus radiatus — Ubaghs , pp. 692, fig. 33a
1971     Perittocrinus radiatus Beyrich, 1879 — Ubaghs , pp. 329, fig. 1
2000     Perittocrinus radiatus — Stukalina , pp. 57
2002     Perittocrinus radiatus Beyrich — Rozhnov , pp. 547, fig. text fig. 20
2007     Perittocrinus radiatus (Beyrich, 1879) — Rozhnov , pp. 263, fig. 2
Selection of related publications
Rozhnov, S. V. 2007. New data on perittocrinids and hybocrinids (Crinoidea, Echinodermata) from the Middle Ordovician of the Baltic region.  Annales de Paléontologie   93,   4,   261-276. DOI:10.1016/j.annpal.2007.09.004
Stukalina, G. A. 2000. Silurijskie krinoidei Sibirskoj platformy.  Transactions of the Paleontological Institute (PIN)   278,      1-108.  Nauka. 
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Classification
| Organism group | Biota | 
| Kingdom | Animalia | 
| Phylum | Echinodermata | 
| Subphylum | Pelmatozoa | 
| Class | Crinoidea | 
| Superclass | Pentacrinoidea | 
| Infraclass | Inadunata | 
| Parvclass | Disparida | 
| Family | Perittocrinidae | 
| Genus | Perittocrinus | 
| Species | radiatus | 
References based on distribution
- Stukalina, 2000a Volkhov Stage
- Rozhnov, 2007a Putilovo quarry, Leningrad Oblast Kunda Stage