Genus
Orbiculoidea d’Orbigny, 1847
Aiheeseen liittyvät julkaisut
Biernat, G. 1973. Ordovician Inarticulate Brachiopods from Poland and Estonia. Palaeontologia Polonica 28, 1-116.
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Luokittelu
| Organism group | Biota |
| Kingdom | Animalia |
| Phylum | Brachiopoda |
| Subphylum | Linguliformea |
| Class | Lingulata |
| Order | Lingulida |
| Superfamily | Discinoidea |
| Family | Discinidae |
| Genus | Discinisca |
| Kosoidea | |
| Orbiculoidea |
Levinneisyys ja viitteet
- Biernat, 1973 Suhkrumägi outcrop Volkhov Stage