Family
Heterorthidae Schuchert et Cooper, 1931
Classification
| Organism group | Biota | 
| Kingdom | Animalia | 
| Phylum | Brachiopoda | 
| Subphylum | Rhynchonelliformea | 
| Class | Rhynchonellata | 
| Order | Orthida | 
| Suborder | Dalmanellidina | 
| Superfamily | Dalmanelloidea | 
| Family | Angusticardiniidae | 
| Dalmanellidae | |
| Dicoelosiidae | |
| Harknessellidae | |
| Heterorthidae | |
| Genus | Heterorthina | 
| Svobodaina | |
| Family | Paurorthidae | 
| Platyorthidae | |
| Rhipidomellidae | |
| Tyronellidae | 
 See also