Naamgeving
| Valid name | Crania anomala |
| Synonym | Crania personata : Defrance, 1818 |
| Synonym | Crania anomala var. alba : Gwyn Jeffreys, 1869 |
| Synonym | Patella anomala Müller, 1776 |
| Synonym | Crania norvegica : Sowerby. 1847 |
| Synonym | Patella distorta : Montagu, 1808 |
| Synonym | Criopus orcadensis : Leach, 1852 |
| Synonym | Discina ostreoides : Turton, 1819 |
| Synonym | Orbicula anomala : Cuvier, 1799 |
| Synonym | Crania turbinata : Woods, 1856 |
| Synonym | Anomia turbinata : Dillwyn, 1817 |
| Synonym | Orbicula norvegica : Lamarck, 1801 |
| Synonym | Criopus anomalus : Fleming, 1828 |
Indeling
-
Brachiopoda
[phylum]
-
Inarticulata
[class]
-
Acrotretida
[order]
-
Craniidina
[suborder]
-
Craniacea
[superfamily]
-
Craniidae
[family]
-
Crania
[genus]
- Crania anomala [species]
-
Crania
[genus]
-
Craniidae
[family]
-
Craniacea
[superfamily]
-
Craniidina
[suborder]
-
Acrotretida
[order]
-
Inarticulata
[class]