Helicodiscus parallelus

Helicodiscus parallelus
A drawing of a live specimen of Helicodiscus parallelus
Secure
Secure (NatureServe)[1]
Scientific classification Edit this classification
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Order: Stylommatophora
Family: Helicodiscidae
Genus: Helicodiscus
Species:
H. parallelus
Binomial name
Helicodiscus parallelus
(Say, 1821)[2]
Synonyms[3]
  • Helicodiscus (Helicodiscus) parallelus (Say, 1821)
  • Helicodiscus lineatus (Say, 1817)
  • Helicodiscus theresa Thiele, 1927
  • Helix lineata Say, 1817
  • Planorbis paralellus Say, 1821

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.

A drawing of an apertural view of the shell of Helicodiscus parallelus

Distribution

This species occurs in the following countries and islands:

References

  1. ↑ NatureServe. "Helicodiscus parallelus". NatureServe Explorer. Arlington, Virginia. Retrieved 13 May 2026.
  2. ↑ Say, T. 1821. Descriptions of univalve shells of the United States. - Journal of the Academy of Natural Sciences of Philadelphia 2 (1): 149-179.
  3. ↑ "Helicodiscus parallelus". WoRMS. World Register of Marine Species. Retrieved 30 December 2021.
  4. ↑ Helicodiscus parallelus at AnimalBase, accessed 15 December 2008.
  5. ↑ Silva, Fernanda S.; Forsyth, Robert G.; Salvador, Rodrigo B. (2020). "Helicodiscus theresa from Brazil is the exotic species Helicodiscus parallelus (Gastropoda, Helicodiscidae)" (PDF). Strombus. 26 (1–2): 15–18. ISSN 1983-2214.


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