| Status | G5 |
|---|---|
| Status system | TNC |
| Genus | Helicodiscus |
| Species | parallelus |
| Authority | (Say, 1821)[1] |
Helicodiscus parallelus, common name the compound coil, is a species of small air-breathing land snail, a terrestrial pulmonate gastropod mollusk in the family Helicodiscidae.
Helicodiscus parallelus is the type species of the genus Helicodiscus.
Distribution
This species occurs in the following countries and islands:
- Northern Mexico.[2]
- Great Lakes region.
- Great Britain as a "hot-house alien"
References
- ^ Say, T. 1821. Descriptions of univalve shells of the United States. - Journal of the Academy of Natural Sciences of Philadelphia 2 (1): 149-179.
- ^ Helicodiscus parallelus at AnimalBase, accessed 15 December 2008.