Genus
Ferganella Nikiforova, 1937
Luokittelu
| Organism group | Biota |
| Kingdom | Animalia |
| Phylum | Brachiopoda |
| Subphylum | Rhynchonelliformea |
| Class | Rhynchonellata |
| Order | Rhynchonellida |
| Superfamily | Rhynchotrematoidea |
| Family | Machaerariidae |
| Genus | Ferganella |
| Organism group | Biota |
| Kingdom | Animalia |
| Phylum | Brachiopoda |
| Subphylum | Rhynchonelliformea |
| Class | Rhynchonellata |
| Order | Rhynchonellida |
| Superfamily | Rhynchotrematoidea |
| Family | Machaerariidae |
| Genus | Ferganella |