Vallonia parvula explained
Vallonia parvula or trumpet vallonia is a species of small, air-breathing land snail, a terrestrial pulmonate gastropod mollusk in the family Valloniidae.[1]
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Notes and References
- Book: Land Mollusca of North America (North of Mexico): Monographs of The Acad. of Natural Sciences of Phila., No. 3, Vol. II, Part 2 . Academy of Natural Sciences . Philadelphia, Pa. 1948 . 1-4223-1778-1 .