| Williamia radiata nutatus | |
|---|---|
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Gastropoda |
| (unranked): | clade Heterobranchia clade Euthyneura clade Panpulmonata |
| Superfamily: | Siphonarioidea |
| Family: | Siphonariidae |
| Genus: | Williamia |
| Species: | W. radiata |
| Subspecies: | W. radiata nutatus |
| Trinomial name | |
| Williamia radiata nutatus Hedley, 1908 |
|
| Synonyms | |
|
Roya kermadecensis Iredale, 1912 |
|
Williamia radiata nutatus is a subspecies of small sea snail or saltwater limpet with a lung, a marine pulmonate gastropod mollusc in the family Siphonariidae, the marine pulmonate limpets.