Species
Ingria holtedahli Öpik, 1939
Synonymy list
1939     Ingria holtedahli sp. nov. — Öpik , pp. 128, fig. pl. 4: 3, 5-9
Classification
| Organism group | Biota | 
| Kingdom | Animalia | 
| Phylum | Brachiopoda | 
| Subphylum | Rhynchonelliformea | 
| Class | Strophomenata | 
| Order | Strophomenida | 
| Superfamily | Plectambonitoidea | 
| Family | Plectambonitidae | 
| Subfamily | Plectambonitinae | 
| Genus | Ingria | 
| Species | aka | 
| expressa | |
| flabellum | |
| holtedahli | |
| nefedyevi | |
| occidentalis | |
| pakriana |