Punctum (gastropod)

Punctum is a genus of very small air-breathing land snails, terrestrial pulmonate gastropod mollusks or micromollusks in the subfamily Punctinae of the family Punctidae, the dot snails. [2]

Punctum
Punctum minutissimum
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Subclass: Heterobranchia
Superorder: Eupulmonata
Order: Stylommatophora
Family: Punctidae
Genus: Punctum
Morse, 1864[1]
Type species
Helix minutissima
I. Lea, 1841
Synonyms[2]
  • Patula (Patulastra) L. Pfeiffer, 1879 (junior synonym)
  • Patulastra L. Pfeiffer, 1879
  • Punctum (Pseudopunctum) J. P. E. Morrison, 1935· accepted, alternate representation
  • Punctum (Punctum) Morse, 1864· accepted, alternate representation

Distribution

This genus is found throughout the Holarctic ecozone, and also in South Africa and Mexico.[3]

Species

The genus Punctum includes the following species:

The type species is Helix minutissima Lea, 1841

  • Punctum abbadianum (Bourguignat, 1883)
  • Punctum adami Bruggen & Goethem, 2001
  • † Punctum alveus Pierce, 1992
  • Punctum amblygonum (Reinhardt, 1877)
  • Punctum apertum Pilsbry & Y. Hirase, 1904
  • Punctum atomus Pilsbry & Hirase, 1904
  • Punctum azoricum De Winter, 1988[4]
  • Punctum blandianum Pilsbry, 1900
  • Punctum boreale Pilsbry & Y. Hirase, 1905
  • Punctum bristoli (Gulick,1904)
  • Punctum brucei (Jickeli, 1874)
  • Punctum californicum Pilsbry, 1898
  • Punctum camerunense de Winter, 2017
  • Punctum depressum Odhner, 1922
  • Punctum elachistum Pilsbry & Y. Hirase, 1904
  • Punctum hainanensis (Möllendorff, 1887)
  • Punctum hannai B. Roth, 1985
  • Punctum horneri Ancey, 1904
  • Punctum infans Pilsbry & Y. Hirase, 1904
  • Punctum japonicum Pilsbry, 1900
  • Punctum kilimanjaricum Verdcourt, 1978
  • Punctum lepta (Westerlund, 1883)
  • Punctum lozeki Horsák & Meng, 2018
  • Punctum micropleuros (Paget, 1854)
  • Punctum minutissimum I. Lea, 1841 - but Helix minutissima may be considered as a synonym of Punctum pygmaeum[5]
  • Punctum mokotoense Abdou & Bouchet, 2000
  • Punctum morseanum Pilsbry, 1902
  • Punctum nimbaense de Winter, 2017
  • † Punctum oligocaenicum Zinndorf, 1901
  • Punctum orphana (Heude, 1882)
  • Punctum pallidum Connolly, 1922[6]
  • † Punctum parvulum Gottschick, 1920
  • † Punctum parvulum A. B. Leonard, 1972 (unreplaced junior homonym; junior homonym of † Punctum parvulum Gottschick, 1920; no replacement name is available))
  • † Punctum patagonicum Miquel & P. E. Rodriguez, 2016
  • Punctum petiti Fischer-Piette & Vukadinovic, 1971
  • Punctum polynesicum Solem, 1983
  • † Punctum propygmaeum Andreae, 1904
  • † Punctum pumilio Jooss, 1918
  • Punctum pygmaeum (Draparnaud, 1801)[7][4] - type species
  • Punctum randolphi Dall, 1895
  • Punctum rota Pilsbry & Hirase, 1904
  • Punctum seychellarum Gerlach, 1998
  • Punctum smithi Morrison, 1935
  • Punctum taiwanicum Pilsbry & Hirase, 1905
  • Punctum ugandanum (E. A. Smith, 1903)[6]
  • Punctum ussuriense Likharev & Rammelmeyer, 1952
  • Punctum vitreum H. B. Baker, 1930
Synonyms
  • Punctum (Toltecia) Pilsbry, 1926: synonym of Paralaoma Iredale, 1913
  • Punctum abyssinicum (Jickeli, 1874): synonym of Trachycystis abyssinica (Jickeli, 1874)
  • Punctum clappi Pilsbry, 1898: synonym of Planogyra clappi (Pilsbry, 1898) (original combination)
  • Punctum conicum Odhner, 1922: synonym of Sinployea conica (Odhner, 1922) (original combination)
  • Punctum conspectum (Bland, 1865): synonym of Paralaoma servilis (Shuttleworth, 1852) (junior synonym)
  • Punctum cryophilum (E. von Martens, 1865): synonym of Toltecia pusilla (Lowe, 1831): synonym of Paralaoma servilis (Shuttleworth, 1852)
  • Punctum homalospira (Morelet, 1883): synonym of Psichion homalospira (Morelet, 1883) (superseded combination)
  • Punctum hottentotum (Melvill & Ponsonby, 1891): synonym of Paralaoma hottentota (Melvill & Ponsonby, 1891) (superseded combination)
  • Punctum lederi (O. Boettger, 1880): synonym of Paralaoma servilis (Shuttleworth, 1852) (invalid combination)
  • † Punctum victoris (Michaud, 1862): synonym of † Lucilla victoris (Michaud, 1862)

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. MolluscaBase eds. (2022). MolluscaBase. Punctum Morse, 1864. Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=866756 on 2022-03-03
  3. 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.
  4. "Species in genus Punctum" Archived 2019-09-17 at the Wayback Machine (n=2). AnimalBase, accessed 5 July 2011.
  5. "Synonyms of Helix pygmaea. accessed 5 July 2011.
  6. 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.
  7. 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).
  • Fujie, A. (2000). Holocene Fossil Assemblages of Minute Land Molluscs from Sand Dunes on Kikaijima lsland in the Amami Archipelago, Japan. Venus (Journal of the Malacological Society of Japan). 59 (4): 317-324


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