Species
Ptychodictyon distinctum Valiukevičius, 1979
Synonymy list
1979     Ptychodictyon distinctum Valiukevičius, sp. nov. — Valiukevičius , pp. 105, fig. XI 9, XII 5
1998     Ptychodictyon distinctum Valiukevičius — Valiukevičius , pp. 7
Selection of related publications
Valiukevičius, J. J. 1985. Akantody narovskogo gorizonta Glavnogo devonskogo polâ. pp. 1-143.  Mokslas. 
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Classification
| Organism group | Biota | 
| Incertae sedis (fossils) | |
| Order | Diplacanthiformes | 
| Family | Diplacanthidae | 
| Genus | Ptychodictyon | 
| Species | ancestralis | 
| distinctum | |
| rimosum | |
| sulcatum | 
References based on distribution
- Valiukevičius, 1985 Kaagvere 1 borehole Narva Stage