Superfamily
Echinoconchoidea Stehli, 1954
Luokittelu
| Organism group | Biota |
| Kingdom | Animalia |
| Phylum | Brachiopoda |
| Subphylum | Rhynchonelliformea |
| Class | Strophomenata |
| Order | Productida |
| Suborder | Productidina |
| Superfamily | Echinoconchoidea |
| Family | Echinoconchidae |
| Sentosiidae | |
| Superfamily | Linoproductoidea |
| Productoidea |