Billingsellida
| Billingsellida | |
|---|---|
| Scientific classification | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Brachiopoda |
| Class: | †Strophomenata |
| Order: | †Billingsellida |
An order of brachiopods containing the families:
- Suborder Billingsellidina
- Superfamily Billingselloidea
- Family Billingsellidae
- Superfamily Billingselloidea
- Suborder Clitambonitidina
- Superfamily Clitambonitoidea
- Family Clitambonitidae
- Family Gonambonitidae
- Superfamily Polytoechioidea
- Family Polytoechiidae
- Superfamily Clitambonitoidea