Trochomorphidae Explained

Trochomorphidae is a family of air-breathing land snails, terrestrial pulmonate gastropod mollusks in the superfamily Gastrodontoidea (according to the taxonomy of the Gastropoda by Bouchet & Rocroi, 2005). Since 2017, its classification has been revised and it now belongs to the superfamily Trochomorphoidea^{[1] [2]}

This family has no subfamilies (according to the taxonomy of the Gastropoda by Bouchet & Rocroi, 2005).

Distribution

The distribution of Trochomorphidae includes eastern-Palearctic, India, south-eastern Asia, Australia and Polynesia.

Anatomy

In this family, the number of haploid chromosomes lies between 26 and 30 (according to the values in this table).^[3]

Genera

Genera within the family Trochomorphidae include:

• Benthemia Forcart, 1964
• Brazieria Ancey, 1887
• Calostropha Ancey, 1887
• Coxia Ancey, 1887
• Dendrotrochus Pilsbry, 1894
• Entomostoma H. B. Baker, 1941
• Eurybasis Gude, 1913
• Foxidonta Clench, 1950
• Geodiscus Iredale, 1941
• Geotrochus van Hasselt, 1823
• Hogolua Baker, 1941
• Kondoa Baker, 1941
• Liravidena Solem, 1959
• Orpiella L. Pfeiffer & J. E. Gray, 1855
• Peleliua H. B. Baker, 1941
• Probrazieria H. B. Baker, 1941
• Tegumen Gude, 1913
• Theskelomensor Iredale, 1933
• Trochomorpha Albers, 1850 - type genus of the family Trochomorphidae
• Trochositala Schileyko, 2002
• Videna A. Adams 1858
• Videnoida Minato, 1988
• Vitrinoconus C. Semper, 1873

Cladogram

The following cladogram shows the phylogenic relationships of this family to other families within the limacoid clade:^[4]

Further reading

• Baker (1941). Bulletin of the Bishop Museum 116: 273.
• Gude G. K. (1914). Mollusca.−II. (Trochomorphidae--Janellidae)'.The Fauna of British India, Including Ceylon and Burma. London, xii + 520 pp., 164 figs.
• Vagvolvyi J. (1976). "Body size, aerial dispersal and origin of the Pacific land snail fauna". Syst. Zool 24: 465-488.

Notes and References

1. Bouchet. Philippe. 2017. Revised classification, nomenclator and typification of gastropod and monoplacophoran families.. Malacologia. 61. 1–2. 1–526. 10.4002/040.061.0201. 91051256.
2. MolluscaBase eds. (2021). MolluscaBase. Trochomorphidae Möllendorff, 1890. Accessed through: World Register of Marine Species at: http://marinespecies.org/aphia.php?p=taxdetails&id=816186 on 2021-02-22
3. Barker G. M.: Gastropods on Land: Phylogeny, Diversity and Adaptive Morphology. in Barker G. M. (ed.): The biology of terrestrial molluscs. CABI Publishing, Oxon, UK, 2001, . 1-146, cited pages: 139 and 142.
4. Hausdorf B. (March 2000). "Biogeography of the Limacoidea sensu lato (Gastropoda: Stylommatophora): Vicariance Events and Long-Distance Dispersal". Journal of Biogeography 27(2): 379-390., JSTOR.