Suborder
Billingsellidina Schuchert, 1893
Klassificering
| Organism group | Biota |
| Kingdom | Animalia |
| Phylum | Brachiopoda |
| Subphylum | Rhynchonelliformea |
| Class | Strophomenata |
| Order | Billingsellida |
| Suborder | Billingsellidina |
| Clitambonitidina |
See also
| Organism group | Biota |
| Kingdom | Animalia |
| Phylum | Brachiopoda |
| Subphylum | Rhynchonelliformea |
| Class | Strophomenata |
| Order | Billingsellida |
| Suborder | Billingsellidina |
| Clitambonitidina |