Subspecies
Hesperorthis inostranzefi viruana (Öpik, 1930)
Selection of related publications
Öpik, A. 1930. Brachiopoda Protremata der estländischen ordovizischen Kukruse-Stufe. Tartu Ülikooli Geoloogia Instituudi Toimetused 20, 1-261.
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Classification
| Organism group | Biota |
| Kingdom | Animalia |
| Phylum | Brachiopoda |
| Subphylum | Rhynchonelliformea |
| Class | Rhynchonellata |
| Order | Orthida |
| Suborder | Orthidina |
| Superfamily | Orthoidea |
| Family | Hesperorthidae |
| Genus | Hesperorthis |
| Species | inostranzefi |
| Subspecies | inostranzefi |
| ubjaensis | |
| viruana |
References based on distribution
- Öpik, 1930a Ubja old quarry Kukruse Stage