Helicodiscus parallelus

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

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. Say, T. 1821. Descriptions of univalve shells of the United States. - Journal of the Academy of Natural Sciences of Philadelphia 2 (1): 149-179.
  2. "Helicodiscus parallelus". WoRMS. World Register of Marine Species. Retrieved 30 December 2021.
  3. Helicodiscus parallelus at AnimalBase, accessed 15 December 2008.
  4. List of non-marine mollusks of the Indiana Dunes, Lake Erie, Indiana.


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