Genus
Trematopora Hall, 1852
Selection of related publications
Ernst, A., Nakrem, H. 2015. Bryozoans from the lower Silurian (Wenlock) Steinsfjorden Formation of Ringerike, southern Norway.  Bulletin of Geosciences   90,   1,   65-87. DOI:10.3140/bull.geosci.1521
Ernst, A., Nakrem, H. A. 2011. Stenolaemate bryozoans from the Mjøsa Formation (Late Ordovician, Katian) of Helgøya (Mjøsa), southern Norway.  Norwegian Journal of Geology   91,   3,   163-180.
Modzalevskaya, E. A. 1986. Bryozoa of the family Dittoporidae from Ordovician of Leningrad area.  Ežegodnik Vsesoûznogo Paleontologičeskogo Obŝestva   XXX,      74-91.
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. Upper Ordovician bryozoa from Dalmantina beds of Kinnekulle, Sweden.  GFF   102,   1,   27-35. DOI:10.1080/11035898009448587
Rõõmusoks, A. 1970. Stratigraphy of the Viruan Series (Middle Ordovician) in Northern Estonia, I. pp. 1-346.  Valgus. 
Bassler, R. S. 1911. The Early Paleozoic Bryozoa of the Baltic Provinces.  Bulletin of the US National Museum   77,      1-382.
List of species
1. Trematopora borenshultensis Brood, 1978 | Hirnantian
2. Trematopora brutoni Ernst et Nakrem, 2011 | Katian
3. Trematopora cingulata Dybowski, 1877 | Upper Ordovician
7. Trematopora ullernensis Brood, 1980 | Hirnantian
8. Trematopora variabilis Dybowski, 1877 | Upper Ordovician
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Classification
| Organism group | Biota | 
| Kingdom | Animalia | 
| Phylum | Bryozoa | 
| Class | Stenolaemata | 
| Superorder | Palaeostomata | 
| Order | Trepostomata | 
| Suborder | Halloporina (suborder) | 
| Family | Trematoporidae | 
| Genus | Aostipora | 
| Batostoma | |
| Bythopora | |
| Mesotrypina | |
| Nicholsonella | |
| Radiotrypa | |
| Trematopora | |
| Species | borenshultensis | 
| brutoni | |
| cingulata | |
| maculata | |
| primigenia | |
| pustulifera | |
| tuberculosa | |
| ullernensis | |
| variabilis | |
| Genus | Trematoporina | 
References based on distribution
- Ernst & Nakrem, 2011 Ordovician