Species
Protocrinites yakovlevi Hecker et Hecker, 1957
Synonymy list
1957     Protocrinites yakovlevi sp. nov. — Hecker et Hecker , pp. 274, fig. 1-4
Selection of related publications
Hecker, E. L., Hecker, R. F. 1957. O novom vide roda Protocrinites Eichwald.  Ežegodnik Vsesoûznogo Paleontologičeskogo Obŝestva   XVI,      274-279.  Gosudarstvennoe nauchno-texnicheskoe izdatel'stvo litaratury po geologii i ohrany nedr. 
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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 | |
| yakovlevi | 
References based on distribution
- Hecker & Hecker, 1957 Obukhovo outcrop, Leningrad district Volkhov Stage