Sharp Wedge

(Say, 1821)

Xolotrema obstrictum

Class:

Order:

Family:

Gastropoda

Stylommatophora

Polygyridae

Taxonomic Information

Helix obstricta

Original Combination:

obstricta = restricted

Etymology

Original Description:

Shell depressed, with elevated lines forming grooves between them: epidermis pale brownish, naked; volutions five, depressed above, beneath rounded, with an acute projecting carina: umbilicus covered with a white callus indented: mouth resembling that of H. palliata.
Inhabits Ohio.
Breadth nearly one inch.
This species is very closely allied to Helix palliata, but the epidermis is not covered with small elvations as in that shell, and the carina is very prominent and remarkable.

Original Description Citation:

Say, T. (1821). Description of univalve shells of the United States. Journal of the Academy of Natural Sciences of Philadelphia. 2(1): 149-179.

Ecological Information

Native/Inavsive:

Native

Nature Serve Conservation Status:

G4: Apparently Secure

Diet

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Citations

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