| Name | Ionaspis Th. Fries |
| Authorship | Th. Fries |
| Rank | Genus |
| NomenclaturalStatus | NomLeg |
| Placed in | Hymeneliaceae |
| Contains | Ionaspis alba F. Lutzoni Ionaspis lacustris (Withering) F. Lutzoni Ionaspis mawsonii C. W. Dodge Ionaspis neozelandica C. W. Dodge Ionaspis odora (Acharius) Th. Fries Ionaspis sp. |