Punctum (gastropod)
Punctum is a genus of very small air-breathing land snails, terrestrial pulmonate gastropod mollusks or micromollusks in the family Punctidae, the dot snails.
| Punctum | |
|---|---|
 | |
| Punctum minutissimum | |
 | |
| Apical view of a shell of Punctum pygmaeum | |
| Scientific classification | |
| Kingdom: | |
| Phylum: | |
| Class: | |
| (unranked): | clade Heterobranchia clade Euthyneura clade Panpulmonata clade Eupulmonata clade Stylommatophora informal group Sigmurethra |
| Superfamily: | |
| Family: | |
| Genus: | Punctum |
| Type genus | |
| Punctum pygmaeum | |
Species
The genus Punctum includes the following species:
The type species is Helix minutissima Lea, 1841.
- Punctum azoricum De Winter, 1988[2]
- Punctum blandianum Pilsbry, 1900
- Punctum californicum Pilsbry, 1898
- Punctum minutissimum I. Lea, 1841 - but Helix minutissima may be considered as a synonym of Punctum pygmaeum[3]
- Punctum pallidum Connolly, 1922[4]
- Punctum pygmaeum (Draparnaud, 1801)[5][2] - type species
- Punctum randolphi Dall, 1895
- Punctum ugandanum (E. A. Smith, 1903)[4]
Distribution
This genus is found throughout the Holarctic ecozone, and also in South Africa and Mexico.[6]
References
- 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.
- "Species in genus Punctum" Archived 2019-09-17 at the Wayback Machine (n=2). AnimalBase, accessed 5 July 2011.
- "Synonyms of Helix pygmaea. accessed 5 July 2011.
- 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.
- 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).
- 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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