Genus
Kosoidea Havliček et Mergl, 1988
Selection of related publications
Holmer, L. E.,  Popov, L. E. 2000. Class Lingulata.  Treatise on Invertebrate Paleontology, part H Brachiopoda, pp. 30-146. 
List of species
1. Kosoidea fissurella Havliček et Mergl, 1988 | Ludlow
Classification
| Organism group | Biota | 
| Kingdom | Animalia | 
| Phylum | Brachiopoda | 
| Subphylum | Linguliformea | 
| Class | Lingulata | 
| Order | Lingulida | 
| Superfamily | Discinoidea | 
| Family | Discinidae | 
| Genus | Discinisca | 
| Kosoidea | |
| Species | fissurella | 
| Genus | Orbiculoidea | 
References based on distribution
- Holmer & Popov, 2000 Ludlow