New taxa of Gulella L. Pfr. and Ptychotrema Mörch (Mollusca, Streptaxidae) from Eastern Africa

Submitted by admin on
BERNARD VERDCOURT
(1985)
Volume
32
Part
2
Page from
109

One new subgenus and 7 new species of Gulella and a new subspecies of Ptychotrema tschibindanum are described from the collection made by Åke HoIm in East Africa and Ethiopia whilst on spider-collecting expeditions. Some comments are also made on already described but poorly known species.