Helicarionidae is a family of air-breathing land snails or semi-slugs, terrestrial pulmonate gastropod mollusks in the superfamily Helicarionoidea.
Distribution
The distribution of Helicarionidae includes the eastern Palearctic, Malagasy, India, south-eastern Asia, Hawaii, and Australia.
Anatomy
Species of snails within this family make and use love darts made of chitin.
In this family, the number of haploid chromosomes lies between 21 and 30 (according to the values in this table).
Taxonomy
The family Helicarionidae is nested within the limacoid clade, as shown in the following cladogram :
Genera
The following genera are recognised in the family Helicarionidae:
Subfamily Helicarioninae
Subfamily Durgellinae <small>Godwin-Austen, 1888</small>
- tribe Durgellini <small>Godwin-Austen, 1888</small>
- Aenigmatoconcha <small>C. Tumpeesuwan & S. Tumpeesuwan, 2017</small>
- Austenia <small>G. Nevill, 1878</small>
- Cryptaustenia <small>Cockerell, 1891</small>
- Durgella <small>Blanford, 1863</small> - type genus of the subfamily Durgellinae
- Eurychlamys <small>Godwin-Austen, 1899</small>
- Holkeion <small>Godwin-Austen, 1908</small>
- Ibycus <small>Heynemann, 1863</small>
- Muangnua <small>Solem, 1966</small>
- Nesaecia <small>Gude, 1911</small>
- Pseudaustenia <small>Cockerell, 1891</small>
- Rasama <small>Laidlaw, 1932</small>
- Rhyssotopsis <small>Ancey, 1887</small>
- Rotungia <small>Godwin-Austen, 1918</small>
- Satiella <small>W. T. Blanford & Godwin-Austen, 1908</small>
- Sitala <small>H. Adams, 1865</small>
- Sivella <small>W.T. Blanford, 1863</small>
- Sophina <small>Benson, 1859</small>
- Teraia <small>Solem, 1966</small>
- tribe Girasiini
- Girasia <small>Gray, 1855</small> - type genus of the tribe Girasiini
- Burmochlamys <small>Pholyotha & Panha, 2022</small>
Unplaced genera
References
External links