may be Bothriembryon barretti Iredale 1930 Family Bothriembryontidae if 30 - 40mm, aperture white. Other possibility is Bothriembryon dux if 60mm, aperture in this species is pink
1,900,751 sightings of 21,152 species in 9,355 locations from 13,000 contributors CCA 3.0 | privacy
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