Species
Boreadorthis crassa Öpik, 1934
Tyyppilajitiedot
holotype: TUG 1068-212, [Duplicate record of 10027] Moe quarry (Estonia, Moe) , Pirgu Stage (Pirgu Stage; Katian)
Synonyymit
1900 Orthis sadewitzensis sp. nov. — Wysogorski , pp. 231, fig. 8
1934 Boreadorthis crassa sp. nov. — Öpik , pp. 186, fig. 9: 3; text-figs 42(II), 43, 45, 46(upper fig.)
1953 Boreadorthis crassa Öpik, 1934 — Alichova , pp. 41, fig. 3: 11-15
1959 Boreadorthis crassa Öpik — Oraspõld , pp. 65, 66, fig. 3:; 3-5
1976 Boreadorthis crassa Öpik — Tsegelnjuk , pp. 28-29, fig. pl. 4: 1; text-fig. 3: 8-15
Aiheeseen liittyvät julkaisut
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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Luokittelu
| Organism group | Biota |
| Kingdom | Animalia |
| Phylum | Brachiopoda |
| Subphylum | Rhynchonelliformea |
| Class | Rhynchonellata |
| Order | Orthida |
| Suborder | Orthidina |
| Superfamily | Orthoidea |
| Family | Hesperorthidae |
| Genus | Boreadorthis |
| Species | crassa |
| recula | |
| sadewitzensis |
Levinneisyys ja viitteet
- Öpik, 1934c [Duplicate record of 10027] Moe quarry Pirgu Stage