Species
Ptilodictya irregularis Spjeldnaes, 1984
Synonymy list
1984     Ptilodictya irregularis sp. nov. — Spjeldnaes , pp. 30, fig. 4:2, text fig. 6 J,M
Selection of related publications
Spjeldnaes, N. 1984. Upper Ordovician Bryozoans from Ojl Myr, Gotland, Sweden.  Bulletin of the Geological Institutions of the University of Uppsala   10,      1-66.
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Classification
| Organism group | Biota | 
| Kingdom | Animalia | 
| Phylum | Bryozoa | 
| Class | Stenolaemata | 
| Superorder | Palaeostomata | 
| Order | Cryptostomata | 
| Suborder | Ptilodictyina | 
| Family | Ptilodictyidae | 
| Subfamily | Ptilodictyinae | 
| Genus | Ptilodictya | 
| Species | capillaris | 
| exilis | |
| gladiola | |
| halli | |
| irregularis | |
| lanceolata | |
| nitidula | |
| procera | |
| scalpellum | |
| sulcata | |
| triangularis | 
References based on distribution
- Spjeldnaes, 1984a Porkuni Porkuni Stage