Shell with large rounded body whorl and relatively short spire
Shell tip (protoconch) with sculpture of microscopic radial riblets
Oval shaped aperture often flared outward, with upper lip bending sharply back to shell wall
Apertural lip often thickened to form sharp rim
Umbilicus usually open (or slightly open) when adult.
Morphological Distribution: Genus restricted to lower Kimberley; Pilbara and Shark Bay.
Molecular (COI) Distribution: Many short range endemic (SRE) species identified from molecular data.
Key References:
Iredale, T. (1939). A review of the land Mollusca of Western Australia. Records of the Western Australian Museum and Art Gallery2(1): 1–88. [Published 1.viii.1939; same text republished 21.viii.1939 in Journal of the Royal Society of Western Australia 25:1–88 (read before the Society on 13.ix.1938, but publication delayed)].
Johnson, M.S., Stankowski, S., Whisson, C.S., Teale, R.J. and Hamilton, Z.C. (2013). Camaenid land snails on Barrow Island: distributions, molecular phylogenetics and taxonomic revision. Records of the Western Australian Museum Supplement 83: 159-171.
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.
Images
Apertural view of shell of Quistrachia turneri from the Pilbara region (photo by Corey Whisson/WA Museum).
Dorsal view of shell of Quistrachia turneri from the Pilbara region (photo by Corey Whisson/WA Museum).
This guide has been developed by Corey Whisson and Lisa Kirkendale, it can be cited as follows:
Quistrachia spp.
Family: Camaenidae
Genus: Quistrachia
Species: spp.
Identification:
Morphological Distribution: Genus restricted to lower Kimberley; Pilbara and Shark Bay.
Molecular (COI) Distribution: Many short range endemic (SRE) species identified from molecular data.
Key References:
Iredale, T. (1939). A review of the land Mollusca of Western Australia. Records of the Western Australian Museum and Art Gallery 2(1): 1–88. [Published 1.viii.1939; same text republished 21.viii.1939 in Journal of the Royal Society of Western Australia 25:1–88 (read before the Society on 13.ix.1938, but publication delayed)].
Johnson, M.S., Stankowski, S., Whisson, C.S., Teale, R.J. and Hamilton, Z.C. (2013). Camaenid land snails on Barrow Island: distributions, molecular phylogenetics and taxonomic revision. Records of the Western Australian Museum Supplement 83: 159-171.
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.
Images
Apertural view of shell of Quistrachia turneri from the Pilbara region (photo by Corey Whisson/WA Museum).
Dorsal view of shell of Quistrachia turneri from the Pilbara region (photo by Corey Whisson/WA Museum).
This guide has been developed by Corey Whisson and Lisa Kirkendale, it can be cited as follows:
Whisson, C and Kirkendale, L (2014). Field Guide to the terrestrial and freshwater molluscs of the North West, version 1.0. Western Australian Museum, Perth. http://museum.wa.gov.au/catalogues-beta/wam-fieldguides/pilbara-snails
>> Return to Pilbara Snails home