About Hawaiia minuscula (A.Binney, 1841)
Hawaiia minuscula (A.Binney, 1841), commonly called the minute gem or minute gem snail, is a species of very small air-breathing land snail. It is a terrestrial pulmonate gastropod mollusk, also classified as a micromollusk, that belongs to the family Pristilomatidae. This species is indigenous to North America. Two subspecies, Hawaiia minuscula minuscula and Hawaiia minuscula neomexicana, have been recorded in Utah. Its non-indigenous distribution includes Australia, the Czech Republic, and Great Britain; in both the Czech Republic and Great Britain it occurs as a "hothouse alien".