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Family: Gastrodontidae
Common name: Hollow Dome
Discovery: Phillips, 1841
Identification
Width: 7.5-7.8 mm
Height: 3.7-3.8 mm
Whorls: 7.5+
The glossy shell of Ventridens lasmodon has the widest umbilicus of any Ventridens. It has a relatively low shell, tightly coiled, with a thin lip containing a basal callus and a recessed palatal lamella. The oldest specimens have reduced or absent lamellae and callus. The animal is pale-colored.
Ecology
This species can be found in leaf litter on wooded hillsides and valleys, especially in richer areas (Hubricht, 1985; Dourson, 2010).
Taxonomy
A synonym for V. lasmodon is Zonitoides (Ventridens) lasmodon.
Distribution
Ventridens lasmodon is found in the Appalachian Mountains from southern West Virginia to northern Alabama (Hubricht, 1985). In Virginia it is reported from scattered western counties.
Conservation
NatureServe Global Rank: G4
NatureServe State Rank: S3
Virginia’s wildlife action plan: Tier IV
