Superfamily
Pugnacoidea Rzhonsnitskaya, 1965
Classification
| Organism group | Biota |
| Kingdom | Animalia |
| Phylum | Brachiopoda |
| Subphylum | Rhynchonelliformea |
| Class | Rhynchonellata |
| Order | Rhynchonellida |
| Superfamily | Ancistrorhynchoidea |
| Camarotoechioidea | |
| Norelloidea | |
| Pugnacoidea | |
| Family | Petasmariidae |
| Pugnacidae | |
| Superfamily | Rhynchotrematoidea |
| Stenoscismatoidea | |
| Uncinuloidea | |
| Family | Glossinotoechiidae |
| Ladogiidae | |
| Rhynchonellidae | |
| Septalariidae | |
| Tetrarhynchiidae |