Everettia is a

genus Genus ( plural genera ) is a taxonomic rank used in the biological classification of living and fossil organisms as well as viruses. In the hierarchy of biological classification, genus comes above species and below family. In binomial n ...

of air-breathing land snails,

terrestrial Terrestrial refers to things related to land or the planet Earth. Terrestrial may also refer to: * Terrestrial animal, an animal that lives on land opposed to living in water, or sometimes an animal that lives on or near the ground, as opposed to ...

pulmonate gastropod

mollusk Mollusca is the second-largest phylum of invertebrate animals after the Arthropoda, the members of which are known as molluscs or mollusks (). Around 85,000 extant species of molluscs are recognized. The number of fossil species is es ...

s in the family

Dyakiidae Dyakiidae is a family of air-breathing land snails terrestrial pulmonate gastropod mollusks in the superfamily Trochomorphoidea (according to the taxonomy of the Gastropoda by Bouchet & Rocroi, 2005). Some of the species in this family are s ...

. 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 ''The Raffles Bulletin of Zoology'' is a peer-reviewed open-access scientific journal published by the Lee Kong Chian Natural History Museum at the National University of Singapore. It covers the taxonomy, ecology, and conservation of Southeast ...

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55(2)
: 363-369
PDF
/ref>''Everettia''

National Center for Biotechnology Information The National Center for Biotechnology Information (NCBI) is part of the United States National Library of Medicine (NLM), a branch of the National Institutes of Health (NIH). It is approved and funded by the government of the United States. T ...

(NCBI), accessed 27 November 2009. but there was described additional 11 species of ''Everettia'' in northern

Borneo Borneo (; id, Kalimantan) is the List of islands by area, third-largest island in the world and the largest in Asia. At the geographic centre of Maritime Southeast Asia, in relation to major Indonesian islands, it is located north of Java Isl ...

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 Sabah () is a state of Malaysia located in northern Borneo, in the region of East Malaysia. Sabah borders the Malaysian state of Sarawak to the southwest and the North Kalimantan province of Indonesia to the south. The Federal Territory ...

, northern Borneo". ''

Zoological Journal of the Linnean Society The ''Zoological Journal of the Linnean Society'' is a monthly peer-reviewed scientific journal covering zoology published by Oxford University Press on behalf of the Linnean Society. The editor-in-chief is Maarten Christenhusz (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 In zoological nomenclature, a type species (''species typica'') is the species name with which the name of a genus or subgenus is considered to be permanently taxonomically associated, i.e., the species that contains the biological type specimen( ...

* ''

Everettia jucundior 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. Spe ...