- Alcyonidiidae [familie]
- Arachnidiidae [familie]
- Buskiidae [familie]
- Flustrellidridae [familie]
- Nolellidae [familie]
- Paludicellidae [familie]
- Panolicellidae [familie]
- Triticellidae [familie]
- Vesiculariidae [familie]
- Victorellidae [familie]
- Walkeriidae [familie]