Glyptostoma is a genus

Genus

In biology, a genus is a low-level taxonomic rank used in the biological classification of living and fossil organisms, which is an example of definition by genus and differentia...

 of air-breathing land snail

Snail

Snail is a common name applied to most of the members of the molluscan class Gastropoda that have coiled shells in the adult stage. When the word is used in its most general sense, it includes sea snails, land snails and freshwater snails. The word snail without any qualifier is however more often...

s, terrestrial

Terrestrial animal

Terrestrial animals are animals that live predominantly or entirely on land , as compared with aquatic animals, which live predominantly or entirely in the water , or amphibians, which rely on a combination of aquatic and terrestrial habitats...

 pulmonate gastropod mollusks in the family Megomphicidae

Megomphicidae

Megomphicidae is a taxonomic family of air-breathing land snails, terrestrial pulmonate gastropod mollusks in the superfamily Acavoidea .-Genera:...

.

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 Baha California.

Species

Species and subspecies within the genus Glyptostoma include::

• Glyptostoma gabrielense
  Glyptostoma gabrielense
  Glyptostoma gabrielense is a species of air-breathing land snails, terrestrial pulmonate gastropod mollusks in the family Megomphicidae....
  
   Pilsbry, 1938
• Glyptostoma newberryanum (Binney, 1858)
  • Glyptostoma newberryanum depressum Byant, 1902