Species
Protocrinites fragum Eichwald, 1856
Synonymy list
1846 Protocrinus oviformîs — Volborth , pp. 191 , fig. 10:8-11
1855 Protocrinites fragum — Eichwald , pp. 227
1856 Protocrinus fragum — Eichwald , pp. 122
1857 Protocrinus fragum — Eichwald , pp. 68
1860 Protocrinus fragum m. — Eichwald , pp. 621
1861 Protocrinus fagum m. — Eichwald , pp. 177
1899 Protocrinites fragum Eichw. 1860 — Jaekel , pp. 433 , fig. V 1-5
1935 Protocrinus fragum Eichwald — Phleger , pp. 201
Selection of related publications
Phleger, F. B. 1935. Some Ordovician cystids from Russia. Bulletin of the Museum of Comparative Zoology. Harvard University Museum of Comparative Zoology LXXVI, 5, 193-201.
Jaekel, O. 1899. Stammesgesihichte der Pelmatozoen. Erster Band. Thecoidea und Cystoidea. pp. 1-441. Verlag von Julius Springer.
Eichwald, E. 1860. Lethaea Rossica ou Paléontologie de la Russie. Premier volume. Ancienne Période en deux sections. pp. XIX+1–1657. E. Schweizerbart. DOI:10.5962/bhl.title.52391
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Classification
| Organism group | Biota |
| Kingdom | Animalia |
| Phylum | Echinodermata |
| Subphylum | Blastozoa |
| Class | Diploporita |
| Superfamily | Glyptosphaeritida |
| Family | Protocrinitidae |
| Genus | Protocrinites |
| Species | fragum |
| oviformis | |
| rugatus | |
| yakovlevi |
References based on distribution
- Phleger, 1935 Putilovo quarry, Leningrad Oblast Kunda Stage
- Phleger, 1935 Lynna river, Leningrad Oblast Kunda Stage
- Jaekel, 1899 Pulkovo, Leningrad District
- Eichwald, 1860a Tsarskoye Selo, Leningrad Oblast