Gyliotrachela

Belongs within: Pupilloidea.

Gyliotrachela is a genus of minute land snails found between southeast Asia and northern Australia. They are characterised by having the final whorl of the shell separating from the spire and flaring to a trumpet-like aperture.

Characters (from Stanisic et al. 2010): Shell tiny, conic-trochoidal, prominent peripheral angle and subperipheral sulcus; spiral threads on whorls; aperture ovate, trumpet-like and flared, detached from shell and deflected upward with a varying number of parietal and palatal teeth; umbilicus open. Colour dark brown.

<==Gyliotrachela Tomlin 1930SS10 [incl. Gyliauchen Pilsbry 1917 non Nicoll 1915S88, Gyliotrachea Pilsbry 1931S88]
    |--*G. hungerfordiana (Möllendorff 1891) [=Hypselostoma hungerfordiana]SS10
    |--G. australis (Odhner 1917) [incl. G. ningbingia Solem 1981]SS10
    |--G. bensoniana Blanford 1863S88
    |--G. catherina Solem 1981S88
    |--G. concreta van Benthem Jutting 1949S88
    |--G. depressispira van Benthem Jutting 1949S88
    |--G. dohertyi Fulton 1899S88
    |--G. everettei Smith 1896S88
    |    |--G. e. everettiS88
    |    `--G. e. mixta Rensch 1932S88
    |--G. fruhstorferi Moellendorff 1897S88
    |--G. napierana Solem 1981S88
    `--G. torticollis van Benthem Jutting 1962S88

*Type species of generic name indicated

References

[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.

[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.