Everettia is a genus of air-breathing land snails, terrestrial pulmonate gastropod mollusks in the family Dyakiidae.
The species within this genus are very difficult to identify from shells only, because the shells are all very similar.
Species The genus Everettia included 15 species in 2007Tumpeesuwan C., Naggs F. & Panha S. (31 August 2007) "A new genus and new species of dyakiid snail (Pulmonata: Dyakiidae) from the Phu Phan range, northeastern Thailand". Raffles Bulletin of Zoology 55(2) : 363-369. PDFEverettia. National Center for Biotechnology Information (NCBI), accessed 27 November 2009. but there was described additional 11 species of Everettia in northern Borneo in 2009:
Everettia corrugata Laidlaw, 1937 Everettia corrugata corrugata Laidlaw, 1937 Everettia corrugata williamsi Liew, Schilthuizen & Vermeulen, 2009Liew T.-S., Schilthuizen M. & Vermeulen J. J. (November 2009, online: 26 October 2009) "Systematic revision of the genus Everettia Godwin-Austen, 1891 (Mollusca: Gastropoda: Dyakiidae) in Sabah, northern Borneo". Zoological Journal of the Linnean Society 157(3): 515-550. . Everettia dominiki Liew, Schilthuizen & Vermeulen, 2009 Everettia interior Liew, Schilthuizen & Vermeulen, 2009 Everettia jasilini Liew, Schilthuizen & Vermeulen, 2009 Everettia jucunda (L. Pfeiffer, 1891) - the type species Everettia jucundior Liew, Schilthuizen & Vermeulen, 2009 Everettia klemmantanica Gude, 1918 Everettia lapidini Liew, Schilthuizen & Vermeulen, 2009 Everettia layanglayang Liew, Schilthuizen & Vermeulen, 2009 Everettia monticola Liew, Schilthuizen & Vermeulen, 2009 Everettia occidentalis Liew, Schilthuizen & Vermeulen, 2009 Everettia paulbasintali Liew, Schilthuizen & Vermeulen, 2009 Everettia planispira Liew, Schilthuizen & Vermeulen, 2009 Everettia safriei Liew, Schilthuizen & Vermeulen, 2009 Everettia subconsul (Smith, 1887) Everettia themis (Smith, 1895) References