Tight-Coil Three-Tooth

(Bland, 1876)

Triodopsis vannostrandi

Class:

Order:

Family:

Gastropoda

Stylommatophora

Polygyridae

Taxonomic Information

Helix Vonnostrandi

Original Combination:

Named for American Malacologist Henry D. Van Nostrand

Etymology

Original Description:

This species is in form and character of the aperture very nearly allied to H. introferens, but is more decidedly costate, more convex at the base, with smaller umbilicus, and without the internal tubercle. It connects introferens and vultuosa with, but is quite distinct distinct from fallax.
The measurements of a specimen with 6 1/2 whorls, are, siam. max. 12 1/2: min. 11. Alt. 7 mill. Of a specimen with 6 whorls; diam. max. 10; min. 8 mill.; alt. 5 mill.

Original Description Citation:

Bland, T. (1876). Notes on certain terrestrial mollusks, with descriptions of a new species of the genus Amphibulima. Annals of the Lyceum of Natural History of New York. 11: 197–200.

Ecological Information

Native/Inavsive:

Native

Nature Serve Conservation Status:

G4: Apparently Secure

Diet

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Citations

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