Type species: Eschara patellaria Moll, 1803
This genus includes the species:
| Mollia amoena | Gordon, 1986 | Recent | New Zealand |
| Mollia circumcincta | Heller, 1867 | Recent | Mediterranean |
| Mollia elongata | Canu & Bassler, 1928 | Recent | Brazil |
| Mollia fagei | Gautier, 1962 | Recent | Mediterranean |
| Mollia lacessitor | Canu & Bassler, 1933 | Cretaceous | USA |
| Mollia mauritiana | (Kirkpatrick, 1888) | Recent | Mauritius |
| Mollia multijuncta | (Waters, 1879) | Recent | Mediterranean |
| Mollia parvicella | Canu & Bassler, 1933 | Cretaceous | USA |
| Mollia patellaria | (Moll, 1803) | Recent | Europe |
Harmer notebook - entry for Mollia