Species
Mesotrypa bystrowi Modzalevskaya, 1953
Synonymy list
1829     Orbitulites hemisphaericus — Eichwald , pp. 179
1856     Chaetetes (Orbitulites) hemisphaericus — Eichwald , pp. 91
1860     Chaetetes hemisphaericus (pars) — Eichwald , pp. 476
1861     Chaetetes hemisphaericus  — Eichwald , pp. 112
1953     Mesotrypa bystrowi sp. n. — Modzalevskaya , pp. 102, 114, fig. II 1,2, text fig. 5
1953     Mesotrypa bystrowi var. tuberculata Modzalevskaya — Modzalevskaya , pp. 116, fig. II 3,4; text fig.6
1961     Mesotrypa excentrica (pars) — Männil , pp. 129, fig. I 7,8; VII 3; VIII 1,7
1978     Mesotrypa bystrowi Modzalevskaya, 1953 — Astrova , pp. 100
1992     Mesotrypa bystrowi (Modzalevskaya, 1953) — Gorjunova , pp. 9, fig. 3
2002     Mesotrypa bystrowi Modzalevskaya, 1953 — Pushkin , pp. 428, fig. 8a-h
Selection of related publications
Vinn, O., Wilson, M. A., Mõtus, M., Toom, U. 2014. The earliest bryozoan parasite: Middle Ordovician (Darriwilian) of Osmussaar Island, Estonia.  Palaeogeography, Palaeoclimatology, Palaeoecology   414,      129-132. DOI:10.1016/j.palaeo.2014.08.021
Pushkin, V. 2002. Middle Ordovician bryozoa from the Podlasie-Brest Depression (Belarussian part): suborders Ceramoporina, Esthonioporina, Amplexoporina, Halloporina.  Geological Quarterly   46,   4,   411-434.
Gorjunova, R. V. 1992. Morphology and system of Paleozoic bryozoans.  Transactions of the Paleontological Institute (PIN)   251,      1-152.  Nauka. 
Pushkin, V. I. 1981. To the knowledge of the genus Calloporella (Bryozoa).  Paleontologicheski Zhurnal   1981,   4,   65-73.
Modzalevskaya, E. A. 1953. Trepostomaty ordovika Pribaltiki i ih stratigraficheskoe znachenie.  Trudy Vsesoûznogo Naučno-Issledovatel'skogo Geologo-Razvedočnogo Instituta (VNIGRI)         91-167.  Gostoptehizdat. 
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Classification
| Organism group | Biota | 
| Kingdom | Animalia | 
| Phylum | Bryozoa | 
| Class | Stenolaemata | 
| Superorder | Palaeostomata | 
| Order | Trepostomata | 
| Suborder | Halloporina (suborder) | 
| Family | Monticuliporidae | 
| Subfamily | Monticuliporinae | 
| Genus | Mesotrypa | 
| Species | bystrowi | 
| discoidea | |
| egena | |
| esthonica | |
| excentrica | |
| expressa | |
| gutta | |
| insolita | |
| mesoporica | |
| piriformis | |
| raritabulata | |
| strumaeformis | |
| suprasilurica | |
| torosa | |
| tuberculata | |
| volchovensis | |
| Subspecies | orientalis | 
References based on distribution
- Modzalevskaya, 1953 Aluvere quarry Jõhvi Substage
- Pushkin, 2002 Aseri Stage
- Pushkin, 1981a 907.5 - 915.2
- Pushkin, 1981a 820 - 836.9
- Gorjunova, 1992 Maardu opencast mine Kunda Stage
- Modzalevskaya, 1953