Ptychotrema

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

Distribution

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

• Uganda

Species

Species within the genus Ptychotrema include:

• Ptychotrema aequatoriale <small>Pilsbry, 1919</small>
• Ptychotrema bequaerti <small>(Dautzenberg & Germain, 1914)</small>
• Ptychotrema cossyphae <small>van Bruggen, 1989</small>
• Ptychotrema fraterculus <small>Pilsbry, 1919</small>
• Ptychotrema geminatum <small>(Martens, 1895)</small>
• Ptychotrema goossensi <small>(Adam & van Goethem, 1978)</small>
• Ptychotrema kerereense <small>(Adam & van Goethem, 1978)</small>
• Ptychotrema kigeziense <small>(Preston, 1913)</small>
• Ptychotrema mazumbiensis <small>Tattersfield, 1999</small>
• Ptychotrema paradoxulum (<small>Martens, 1895)</small>
• Ptychotrema pelengeense <small>(Adam & van Goethem, 1978</small>)
• Ptychotrema pollonerae <small>Preston, 1913</small>
• Ptychotrema runsoranum <small>(Martens, 1892</small>)
• Ptychotrema silvaticum <small>Pilsbry, 1919</small>
• Ptychotrema usambarense <small>Verdcourt, 1958</small>

References

• Bruggen A. C. van (1989) "Studies on Parennea (Mollusca, Gastropoda Pulmonata, Streptaxidae) additional to the revision by Adam & van Goethem, 1978". Proceedings of the Koninklijke Nederlandse Akademie van Wetenschappen (series C) 92: 1-56.

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.