Columella (genus)

Columella is a genus of very small, air-breathing land snails, terrestrial pulmonate gastropod mollusks in the family Truncatellinidae, the whorl snails and allies. [2]

Columella
Six shells of Columella edentula, scale bar in mm
Scientific classification
Kingdom:
Animalia
Phylum:
Mollusca
Class:
Gastropoda
(unranked):
clade Heterobranchia
clade Euthyneura
clade Panpulmonata
clade Eupulmonata
clade Stylommatophora
clade Orthurethra
Superfamily:
Pupilloidea
Family:
Truncatellinidae
Genus:
Columella

Type species
Pupa inornata Michaud, 1831
Synonyms[2]
  • Edentulina Clessin, 1876
  • Paludinella R. T. Lowe, 1852

Taxonomy

Columella is commonly classified within the Vertiginidae. However, as recently shown by Nekola & Coles (2016). The genus is not that closely related to the Vertiginidae, but may rather be affiliated with the Chondrinidae or form a pupilloid family of its own. A systematic revision is pending. [2]

Species

Species within the genus Columella include:

  • Columella acicularis Almuhambetova, 1979
  • Columella aspera Waldén, 1966
  • Columella columella (G. v. Martens, 1830)
  • Columella edentula (Draparnaud, 1805) - toothless column
  • † Columella hartmutnordsiecki Schlickum & Geissert, 1980
  • Columella hasta (Hanna, 1911)
  • Columella intermedia Schileyko & Almuhambetova, 1984
  • Columella microspora (R.T. Lowe, 1852)
  • Columella nymphaepratensis Hlaváč & Pokryszko, 2009
  • Columella polvonense (Pilsbry, 1894)
  • Columella simplex (Gould, 1840)
  • Columella talgarica Schileyko & Rymzhanov, 2010
  • † Columella wyciski Schlickum & Strauch, 1972
Species brought into synonymy
  • Columella inornata (Michaud, 1831): synonym of Columella edentula (Draparnaud, 1805) (junior synonym)
  • Columella ninagongonis Pilsbry, 1935: synonym of Truncatellina ninagongonis (Pilsbry, 1935) (original combination)
  • Columella tridentata A. B. Leonard, 1946: synonym of Gastrocopta ruidosensis (Cockerell, 1899)

References
  1. Westerlund C. A. (1876-1878). Fauna Europæa molluscorum extramarinorum. Prodromus. Sistens descriptiones systematicas et criticas omnium generum et specierum horum animalium in Europa viventium et hodie cognitarum. pp. 1-320. Lundae. (Berlingia).
  2. MolluscaBase eds. (2020). MolluscaBase. Columella Westerlund, 1878. Accessed through: World Register of Marine Species at: http://www.marinespecies.org/aphia.php?p=taxdetails&id=934312 on 2020-08-30
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