Azygiida is an order of flatworms belonging to the class Rhabditophora.
Families:
- Accacoeliidae <small>Odhner, 1911</small>
- Aerobiotrematidae
- Albulatrematidae
- Aphanhysteridae
- Aerobiotrematidae
- Arnolidae
- Azygiidae <small>Lühe, 1909</small>
- Bathycotylidae <small>Dollfus, 1932</small>
- Bivesiculidae <small>Yamaguti, 1934</small>
- Botulidae
- Bunocotylidae
- Cylindrorchiidae
- Dictysarcidae <small>Skrjabin & Guschanskaja, 1955</small>
- Didymozoidae <small>Monticelli, 1888</small>
- Halipegidae
- Hemiuridae <small>Looss, 1899</small>
- Hirudinellidae <small>Dollfus, 1932</small>
- Isoparorchiidae <small>Travassos, 1922</small>
- Lobatovitelliovariidae
- Mabiaramidae
- Oesophagicolidae
- Pelorohelminthidae
- Ptychogonimidae <small>Dollfus, 1937</small>
- Sclerodistomatidae
- Sclerodistomidae <small>Odhner, 1927</small>
- Syncoeliidae <small>Looss, 1899</small>
- Tetrasteridae
References