Trochomorphidae

Trochomorpha planorbis, copyright G. & Ph. Poppe.

Belongs within: Limacoidei.

The Trochomorphidae are a group of small to medium-sized, herbivorous snails found in humid tropical forests and vine thickets in southeast Asia, northern Australia and the western Pacific (Stanisic et al. 2010).

Characters (from Stanisic et al. 2010): Shell small to medium-sized (2–25 mm in diameter), translucent to opaque; generally trochoidal, lens-shaped to discoidal or occasionally conical, usually with strongly keeled whorls, whorl count may be very high; smooth or with strong spiral and occasionally radial ornamentation; base umbilicate to almost imperforate; aperture generally with thickened lip, apertural barriers may be present. Foot usually undivided with weak pedal groove, occasionally sole tripartite; caudal horn may be present.

<==Trochomorphidae [Trochomorphinae] BR05
    |--Kondoa Baker 1941 S88
    |--Hogolua Baker 1941 S88
    |--Brazieria Ancey 1887 S88
    |--Foxidonta stevensoni Clench 1950 S88
    |--Coliolus Tapparone-Canefri 1887 S88
    |--Paratrochus Pilsbry 1893 S88
    |--Ludificator Baker 1941 S88
    |--Videna Adams & Adams 1858 S88
    |    `--V. (Liravidena) lacerata (Semper 1874) S88
    |--Theskelomensor Iredale 1933 SS10
    |    |--*T. lizardensis (Pfeiffer 1863) [=Helix lizardensis] SS10
    |    `--T. creon Solem 1958 SS10
    |--Geotrochus van Hasselt 1823 [Geotrochidae, Geotrochinae] BR05
    |    |--*G. conus (Pfeiffer 1841) [=Helix conus] BR17
    |    `--G. scenoma (Benson 1863) [=Helix (Geotrochus) scenoma] TC89
    `--Trochomorpha Albers 1850 BR05
         |--*T. ‘trochiformis’ (Pfeiffer 1842) [=Helix trochiformis non Montagu 1803] BR17
         |--T. melvillensis Solem 1989 S97
         `--T. planorbis Lesson 1831 (preoc.) S88

*Type species of generic name indicated

REFERENCES

[BR05] Bouchet, P., & J.-P. Rocroi. 2005. Classification and nomenclator of gastropod families. Malacologia 47 (1–2): 1–397.

[BR17] Bouchet, P., J.-P. Rocroi, B. Hausdorf, A. Kaim, Y. Kano, A. Nützel, P. Parkhaev, M. Schrödl & E. E. Strong. 2017. Revised classification, nomenclator and typification of gastropod and monoplacophoran families. Malacologia 61 (1–2): 1–526.

[S88] Solem, A. 1988. Non-camaenid land snails of the Kimberley and Northern Territory, Australia. I. Systematics, affinities and ranges. Invertebrate Taxonomy 4: 455–604.

[S97] Solem, A. 1997. Camaenid land snails from Western and central Australia (Mollusca: Pulmonata: Camaenidae). VII. Taxa from Dampierland through the Nullarbor. Records of the Western Australian Museum Supplement 50: 1461–1906.

[SS10] Stanisic, J., M. Shea, D. Potter & O. Griffiths. 2010. Australian Land Snails vol. 1. A. field guide to eastern Australian species. Bioculture Press: Mauritius.

[TC89] Tapparone Canefri, T. 1889. Viaggio di Leonardo Fea in Birmania e regioni vicine. XVIII.—Molluschi terrestri e d’acqua dolce. Annali del Museo Civico di Storia Naturale di Genova, Serie 2^a, 7: 295–359.