Vitrinula hahajimana
Encyclopedia
Vitrinula hahajimana is an extinct species of gastropod in the Ariophantidae
Ariophantidae
Ariophantidae is a taxonomic family of air-breathing land snails and semi-slugs, terrestrial pulmonate gastropod mollusks in the superfamily Helicarionoidea .- Distribution :...

 family. It was endemic to Japan.
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