Helicodiscus parallelus

Helicodiscus parallelus
	A drawing of a live specimen of Helicodiscus parallelus
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Gastropoda
Order:	Stylommatophora
Family:	Helicodiscidae
Genus:	Helicodiscus
Species:	H. parallelus
Binomial name
	Helicodiscus parallelus; (Say, 1821)
Synonyms
	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.

Distribution

This species occurs in the following countries and islands:

^ 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". WoRMS. World Register of Marine Species. Retrieved 30 December 2021.
^ Helicodiscus parallelus at AnimalBase, accessed 15 December 2008.
^ List of non-marine mollusks of the Indiana Dunes, Lake Erie, Indiana.

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