Helisoma

Helisoma
Helisoma anceps
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Gastropoda
Superorder:	Hygrophila
Family:	Planorbidae
Tribe:	Helisomatini
Genus:	Helisoma Swainson, 1840 [1]
Synonyms
CarinifexW. G. Binney, 1864 Helisoma (Helisoma) Swainson, 1840 Planorbis (Carinifex) W. G. Binney, 1864 Planorbis (Helisoma) Swainson, 1840

Helisoma is a genus of freshwater air-breathing snails, pulmonate gastropod mollusks in the family Planorbidae , the ram's horn snails.

Helisoma snails are an intermediate host of Megalodiscus temperatus . ^[2]

Species

The following species are recognised in the genus Helisoma:

• Helisoma anceps (Menke, 1830)
• † Helisoma brevispira (Yen, 1946)
• † Helisoma dongdawusuensis (G.-X. Zhu, 1976)
• Helisoma eucosmium (Bartsch, 1908)
• Helisoma eyerdami Clench & Aguayo, 1932
• † Helisoma kettlemanensis Pilsbry, 1934
• † Helisoma lincki (Schütze, 1907)
• † Helisoma llanerensis (K. van W. Palmer, 1945)
• † Helisoma malheurense (J. Henderson & Rodeck, 1934)
• † Helisoma marshalli (Arnold, 1909)
• Helisoma minus (J. G. Cooper, 1870)
• Helisoma newberryi (I. Lea, 1858)
• † Helisoma parallelum A. B. Leonard & Franzen, 1944
• † Helisoma paritis X.-H. Yu, 1987
• Helisoma peruvianum (Broderip, 1832)
• † Helisoma ringentis X.-H. Yu, 1987
• † Helisoma sanctaeclarae (Hannibal, 1909)
• † Helisoma sheyangensis H.-J. Wang, 1977
• † Helisoma shotwelli (D. W. Taylor, 1963)
• † Helisoma triangulatum Pierce, 2001

References

1. Swainson, W. (1840). A treatise on malacology or shells and shell-fish. London: Longman. p. 337.
2. Bolek, M.G.; Janovy, J. (2008). "Alternative life cycle strategies of Megalodiscus temperatus in tadpoles and metamorphosed anurans". Parasite. 15 (3): 396–401. CiteSeerX   10.1.1.621.1582 . doi:10.1051/parasite/2008153396. ISSN   1252-607X. PMID   18814713.