Species
Polygonograptus sokolovi (Obut, 1953)
Synonymy list
1953     Palaeodictyota sokolovi sp. n. — Obut , pp. 54, fig. 10:1; 11:4-4a; 12:1-2
1958     Palaeodictyota sokolovi Obut  — Obut & Rytzk , pp. 139
1964     Polygonograptus sokolovi — Obut , pp. 311, fig. IV 10
1981     Polygonograptus sokolovi — Obut , pp. 77, fig. 4:1-3
Selection of related publications
Obut, A. M., Sennikov, N. V. 1981. Polygonograptidae familia nova (sistematika, stratigrafičkskoe i geografičeskoe rasprostranenie).  Transactions of the Institute of Geology and Geophysics   482,      75-81.  Nauka. 
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Classification
| Organism group | Biota | 
| Kingdom | Animalia | 
| Phylum | Hemichordata | 
| Class | Pterobranchia | 
| Subclass | Graptolithina | 
| Order | Dendroidea | 
| Family | Polygonograptidae | 
| Genus | Polygonograptus | 
| Species | sokolovi | 
References based on distribution
- Obut & Sennikov, 1981 Jõgeva 1 borehole Pirgu Stage