Type species: Cellaria membranacea Thornely, 1924
This genus includes the species:
| Swanomia belgica | Hayward & Ryland, 1993 | Recent | Antarctica |
| Swanomia brevimandibulata | (Moyano, 1969) | Recent | Antarctica |
| Swanomia membranacea | (Thornely, 1924) | Recent | Antarctica |