Species
Pachydictya borkholmensis (Wiman, 1901)
Synonymy list
1901     Rhinidictya borkholmensis n. sp. — Wiman , pp. 180, fig. 4:1,3,4,8; 7:2-5,7
1911     Pachydictya bifurcata (Hall) partim — Bassler , pp. 144, fig. text fig. 68
1962     Pachydictya bifurcata (Hall) — Kiepura , pp. 407
1975     Metadictya bifurcata (Hall) — Kopajevich , pp. 62
1978     Stictoporella borkholmensis (Wiman) — Brood , pp. 54
1980     Metadictya borkholmensis (Wiman) — Brood , pp. 163
1981     Metadictya borkholmensis (Wiman) — Brood , pp. 20
1984     Pachydictya borkholmensis (Wiman) — Spjeldnaes , pp. 180, fig. 6:1-7
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.
Brood, K. 1981. Hirnantian (Upper Ordovician) Bryozoa from Baltoscandia.  Recent and Fossil Bryozoa: Papers Presented at the 5° International Conference on Bryozoa, pp. 19-27.   Olsen & Olsen. 
Brood, K. 1980. Late Ordovician Bryozoa from Ringerike, Norway.  Norsk Geologisk Tidsskrift   60,   3,   161-174.
Wiman, C. 1901. Über die Borkholmer Schicht im Mittelbaltischen Silurgebiet.  Bulletin of the Geological Institutions of the University of Uppsala   5,   10,   149-211.
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Classification
| Organism group | Biota | 
| Kingdom | Animalia | 
| Phylum | Bryozoa | 
| Class | Stenolaemata | 
| Superorder | Palaeostomata | 
| Order | Cryptostomata | 
| Suborder | Ptilodictyina | 
| Family | Ptilodictyidae | 
| Subfamily | Virgatellinae | 
| Genus | Pachydictya | 
| Species | borkholmensis | 
| kuckersensis | 
References based on distribution
- Spjeldnaes, 1984a Öjle Myr, Gotland Hirnantian
- Spjeldnaes, 1984a Porkuni Porkuni Stage
- Wiman, 1901 Öjle Myr, Gotland Pirgu Stage
- Wiman, 1901 Porkuni Porkuni Stage
- Brood, 1981a Ullerntangen, Ringerike, Norway Hirnantian
- Brood, 1981a Solberga quarry Hirnantian
- Brood, 1981a Boda quarry Hirnantian
- Brood, 1980b Porkuni Porkuni Stage