Species
Ahtiella plana Hessland, 1949
Synonymy list
1949     Ahtiella plana n. sp. — Hessland , pp. 524, fig. 1:6,7
Classification
| Organism group | Biota | 
| Kingdom | Animalia | 
| Phylum | Brachiopoda | 
| Subphylum | Rhynchonelliformea | 
| Class | Strophomenata | 
| Order | Strophomenida | 
| Superfamily | Plectambonitoidea | 
| Family | Taffiidae | 
| Subfamily | Ahtiellinae | 
| Genus | Ahtiella | 
| Species | arenaria | 
| baltica | |
| jaanussoni | |
| lirata | |
| oelandica | |
| plana |