Subfamily
Zeilleriinae Allan, 1940
Luokittelu
| Organism group | Biota |
| Kingdom | Animalia |
| Phylum | Brachiopoda |
| Subphylum | Rhynchonelliformea |
| Class | Rhynchonellata |
| Order | Terebratulida |
| Suborder | Terebratulidina |
| Superfamily | Zeillerioidea |
| Family | Zeilleriidae |
| Subfamily | Zeilleriinae |
| Genus | Digonella |
| Zeilleria | |
| Ornithella |