Punctum (gastropod)

Punctum
Punctum minutissimum
Apical view of a shell of Punctum pygmaeum
Scientific classification
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
(unranked): clade Heterobranchia
clade Euthyneura
clade Panpulmonata
clade Eupulmonata
clade Stylommatophora
informal group Sigmurethra
Superfamily: Punctoidea
Family: Punctidae
Genus: Punctum
Morse, 1864[1]
Type genus
Punctum pygmaeum

Punctum is a genus of very small air-breathing land snails, terrestrial pulmonate gastropod mollusks or micromollusks in the family Punctidae, the dot snails.

Species

The genus Punctum includes the following species:

The type species is Helix minutissima Lea, 1841.

Distribution

This genus is found throughout the Holarctic ecozone, and also in South Africa and Mexico.[6]

References

  1. ↑ Morse E. S. 1864. Observations on the terrestrial Pulmonifera, including a catalogue of all species of terrestrial and fluviatile Mollusca known to inhabit the state. Journal of the Portland Society of Natural History 1 (1): 1-63, Pl. I-II [= 1-2 ], 3-10.
  2. 1 2 "Species in genus Punctum" (n=2). AnimalBase, accessed 5 July 2011.
  3. ↑ "Synonyms of Helix pygmaea. accessed 5 July 2011.
  4. 1 2 Wronski T. & Hausdorf B. (2010). "Diversity and body-size patterns of land snails in rain forests in Uganda". Journal of Molluscan Studies 76(1): 87-100. doi:10.1093/mollus/eyp048.
  5. ↑ Draparnaud J. P. R. 1801. Tableau des mollusques terrestres et fluviatiles de la France. pp. [1-2], 1-116. Montpellier, Paris. (Renaud; Bossange, Masson & Besson).
  6. ↑ Pilsbry H.A. 1948. Land Mollusca of North America (North of Mexico). The Academy of Natural Sciences of Philadelphia, Monographs, 3, vol. 2 part 2: 521-1113.


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