Ptychotrema

Ptychotrema is a genus of air-breathing land snails, terrestrial pulmonate gastropod mollusks in the family Streptaxidae.

Ptychotrema
Scientific classification
Kingdom:
Animalia
Phylum:
Mollusca
Class:
Gastropoda
(unranked):
clade Heterobranchia
clade Euthyneura
clade Panpulmonata
clade Eupulmonata
clade Stylommatophora
informal group Sigmurethra
Superfamily:
Streptaxoidea
Family:
Streptaxidae
Subfamily:
Ptychotrematinae
Genus:
Ptychotrema

L. Pfeiffer, 1853

Ptychotrema is the type genus of the subfamily Ptychotrematinae.[1]

Distribution

The distribution of the genus Ptychotrema is Afrotropical, and includes:[2]

Species

Species within the genus Ptychotrema include:

? subgenus Ennea

Main article: Ennea (gastropod)
  • Ptychotrema (Ennea) bequaerti (Dautzenberg & Germain, 1914)[3]
  • Ptychotrema (Ennea) fraterculus Pilsbry, 1919[3]
  • Ptychotrema (Ennea) paradoxulum (Martens, 1895)[3]
  • Ptychotrema (Ennea) pollonerae Preston, 1913[3]
  • Ptychotrema (Ennea) silvaticum Pilsbry, 1919[3]

subgenus Haplonepion Pilsbry, 1919[4]

  • Ptychotrema (Haplonepion) geminatum (Martens, 1895)
  • Ptychotrema (Haplonepion) runsoranum (Martens, 1892)[3]

? subgenus Parennea

Main article: Parennea
  • Ptychotrema (Parennea) aequatoriale Pilsbry, 1919[3]
  • Ptychotrema (Parennea) cossyphae van Bruggen, 1989[3]
  • Ptychotrema (Parennea) goossensi (Adam & van Goethem, 1978)[3]
  • Ptychotrema (Parennea) kerereense (Adam & van Goethem, 1978)[3]
  • Ptychotrema (Parennea) kigeziense (Preston, 1913)[3]
  • Ptychotrema (Parennea) pelengeense (Adam & van Goethem, 1978)[3]
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References
  1. 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.
  2. Sutcharit C., Naggs F., Wade C. M., Fontanilla I. & Panha S. (2010). "The new family Diapheridae, a new species of Diaphera Albers from Thailand, and the position of the Diapheridae within a molecular phylogeny of the Streptaxoidea (Pulmonata: Stylommatophora)". Zoological Journal of the Linnean Society 160: 1-16. doi:10.1111/j.1096-3642.2009.00598.x.
  3. 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.
  4. Pilsbry H. A. (1919). "A review of the land mollusks of the Belgian Congo chiefly based on the collection of the American Museum Congo Expedition, 1909–1915". Bulletin of the American Museum of Natural History 40(1): 1-370. page 200-201.

Further reading
  • Adam W. & van Goethem J. L. (1978). Revision du sous-genre Parennea Pilsbry du Genre Ptychotrema Morch (Mollusca-Pulmonata-Streptaxidae)". Études du Continent Africain, Bruxelles 5: 1-79.
  • Oke O. C. & Odiete W.O. (1996). "New species of land molluscs from south western Nigeria I. A new species attributed to Ptychotrema (Mollusca, Gastropoda)". Journal of African Zoology 110: 99-104.
  • Verdcourt B. (1985). "New taxa of Gulella L. Pfr. and Ptychotrema Mörch (Mollusca, Streptaxidae) from Eastern Africa". Journal of Conchology 32(1): 109-122. abstract.


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