Glyptostoma is a genus of air-breathing land snails, terrestrial pulmonate gastropod mollusks in the family Megomphicidae.
These are large (to about 40 mm or 1.5 inches in diameter) dark brown snails, much shorter than wide. They are found in hilly areas, or low mountains, along the Pacific coast of North America, from California to Baja California.Pilsbry, Henry A. 1939. Land Mollusca of North America (North of Mexico). Acad. Nat. Sci. Philadelphia, Monograph 3, vol. 1(1): 567-573.
Species Species and subspecies within the genus Glyptostoma include:Glyptostoma at ITIS (Integrated Taxonomic Information System); accessed 12 Jan. 2008. Glyptostoma gabrielense Pilsbry, 1938 Glyptostoma newberryanum (Binney, 1858) Glyptostoma newberryanum depressum Byant, 1902
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