Subspecies
Estlandia pyron pyron (Eichwald, 1840)
Synonymy list
1830     Gonambonites obliqua — Pander , fig. pl. 15: 5
1840     Orthis pyrum m. — Eichwald , pp. 157-158, German edition
1861     Leptaena pyron — Eichwald , pp. 244, fig. pl. 21: 30
1877     Orthisina pyron — Pahlen , pp. 3, fig. pl. 3: 6
1930     Gonambonites pyrum — Öpik , pp. 229-234, fig. pl. 20: 243-247; pl. 22: 278; text-fig. 26
1934     Estlandia pyron — Öpik , pp. 136, fig. pl. 46: 1
1949     Estlandia pyron (Eichwald, 1840) — Lesnikova , pp. 211, fig. pl. 41: 3-5
Selection of related publications
Vinn, O. 2001. A new subspecies of the clitambonitidine brachiopod Estlandia catellatus from the Middle Ordovician of Osmussaar Island, Estonia.  Proceedings of the Estonian Academy of Sciences. Geology   50,   2,   86-94. DOI:10.3176/geol.2001.2.02
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Classification
| Organism group | Biota | 
| Kingdom | Animalia | 
| Phylum | Brachiopoda | 
| Subphylum | Rhynchonelliformea | 
| Class | Strophomenata | 
| Order | Billingsellida | 
| Suborder | Clitambonitidina | 
| Superfamily | Clitambonitoidea | 
| Family | Gonambonitidae | 
| Genus | Estlandia | 
| Species | pyron | 
| Subspecies | pyron | 
| silicificata | 
References based on distribution
- Vinn, 2001a Osmussaare cliff Uhaku Stage