Theba

Theba is a taxonomic genus of air-breathing land snails, medium-sized pulmonate gastropod mollusks in the family Helicidae, the true snails. Theba is the type genus of the tribe Thebini.[2]

Theba
Live and active individual of Theba pisana
Scientific classification
Kingdom:
Phylum:
Class:
(unranked):
Superfamily:
Family:
Subfamily:
Helicinae
Tribe:
Thebini
Genus:
Theba

Risso, 1826[1]
Species

See text

The genus occurs in the Mediterranean Basin, in the Canary Islands, and in Morocco.[3]

Species

Species within the genus Theba include:

gollark: Humans and humans' ancestors WERE subject to natural selection for billions of years.
gollark: > if you actually let natural selection work, anything other than straight would get selected outAnd yet it wasn't. Weird.
gollark: I mean, it's "natural" in the sense of "nature produced it".
gollark: > If we’re gonna have this cancerous discussion, then there’s a theory that homosexuality is actual selected for, as a way to reduce how quickly we approach the environmental carrying capacityLike I said, natural selection doesn't exactly optimize for what's best for the *group*.
gollark: I mean, we *are* born with... brain things... which make us susceptible *to* belief in god.

References

  1. Risso A. 1826. Histoire naturelle des principales productions de l'Europe méridionale et particulièrement de celles des environs de Nice et des Alpes Maritimes. Tome quatrième. pp. [1-3], j-vij [= 1-7], 1-439, pl. [1-12]. Paris. (Levrault).
  2. Bouchet, Philippe; Rocroi, Jean-Pierre; Frýda, Jiri; Hausdorf, Bernard; Ponder, Winston; Valdés, Ángel & Warén, Anders (2005). "Classification and nomenclator of gastropod families". Malacologia. Hackenheim, Germany: ConchBooks. 47 (1–2): 1–397. ISBN 3-925919-72-4. ISSN 0076-2997.
  3. Greve C., Hutterer R., Groh K., Haase M. & Misof B. (2010). "Evolutionary diversification of the genus Theba (Gastropoda: Helicidae) in space and time: A land snail conquering islands and continents". Molecular Phylogenetics and Evolution 57(2): 572-584. doi:10.1016/j.ympev.2010.08.021.
  4. Gittenberger, G.; Ripken, Th. E. J. (1987). "The genus Theba (Mollusca: Gastropoda: Helicidae), Systematics and distribution". Zoologische Verhandelingen. 241 (1): 1–59.
  5. Species in genus Theba (n=6). AnimalBase, accessed 3 May 2009.
  6. "Theba Risso 1826". Fauna Europaea, last update 27 January 2011, accessed 11 May 2011.
  7. . NCBI, accessed 11 May 2011.
  8. . NCBI, accessed 11 May 2011.
  9. . NCBI, accessed 11 May 2011.
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