Achatinella dimorpha

Achatinella dimorpha is a (presumed extinct) species of air-breathing land snail, a terrestrial pulmonate gastropod mollusk in the family Achatinellidae. This species was present in Oʻahu, but has not been seen since 1967, or perhaps earlier.^[2]

Achatinella dimorpha
Achatinella dimorpha shells
Conservation status
Extinct  (IUCN 2.3)[1]
Scientific classification
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Gastropoda
Order:	Stylommatophora
Family:	Achatinellidae
Genus:	Achatinella
Subgenus:	Achatinellastrum
Species:	†A. dimorpha
Binomial name
†Achatinella dimorpha Gulick, 1858
Location of Oʻahu