Williamia radiata nutata

Williamia radiata nutata 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.^[1]

Williamia radiata nutata
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 nutata
Trinomial name
Williamia radiata nutata Hedley, 1908
Synonyms[1]
Roya kermadecensis Iredale, 1912 Capulus nutatus Hedley, 1908 Williamia nutata (Hedley, 1908)