Species
Barbarorthis foraminifera Öpik, 1934
Type specimen data
holotype: TUG TUG 1068-208, Moe stratotype outcrop (Estonia, Moe) , Pirgu Stage (Pirgu Stage; Katian) 
Synonymy list
1934     Barbarorthis foraminifera sp. nov.  — Öpik , pp. 183-184, fig. 8: 3; 9: 1a-2c, 4ab
1959     B. foraminifera Öpik, 1934 — Oraspõld , pp. 69-70, fig. 3: 8-10
Selection of related publications
Oraspõld, A. L. 1959. Some representatives of the Superfamily Orthacea from the Upper Ordovician of Estonia.  Tartu Riikliku Ülikooli Toimetised   75,   I,   51-79.
Öpik, A. 1934. Über Klitamboniten.  Acta et Commentationes Universitatis Tartuensis   XXVI,   5,   1-239.  K. Mattiesen. 
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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 | Barbarorthis | 
| Species | foraminifera | 
| porkuniensis | 
References based on distribution
- Öpik, 1934c [Duplicate record of 10027] Moe quarry Pirgu Stage