Family: Vertiginidae
Common name: none
Described by: Sterki, 1894
Identification
Height:2.7-3.0 mm
Width: 1.3-1.5 mm
Whorls: 6-6.5
This is our largest species of Vertigo. It is similar to V. ovata in apertural teeth but V. morsei has more whorls and a relatively smaller aperture (Pilsbry 1948).
Ecology
Vertigo morsei occurs in well-decomposed leaf litter often overlying calcareous bedrock and in calcareous wetlands (Nekola and Coles, 2010), and along margins of ponds and marshes (Hubricht 1985). Type Locality: Woodland, Aroostook County, Maine, U.S.A.
Taxonomy
There are no synonyms.
Distribution
The known range of V. morsei is primarily in northern US states from northern Maine west through New York and Michigan, to Minnesota (Nekola and Coles, 2010).
Conservation
NatureServe Global Rank: G3. Vulnerable.
