MolluscaBase taxon details
original description
Verdcourt, B. (1985). New taxa of Gulella L. Pfr. and Ptychotrema Mörch (Mollusca, Streptaxidae) from Eastern Africa. <em>Journal of Conchology 32: 109–121.</em> page(s): 114 figs 6-10. [details] Available for editors [request]
additional source
Brown, K. (2021). A guide to the hunter shells. Vol.1. The Streptaxoidea. The Gulellinae and Primigulellinae. ConchBooks, Germany. page(s): 76. [details]
additional source
Verdcourt, B. (2006). A revised list of the non-marine Mollusca of East Africa (Kenya, Uganda and Tanzania, excluding Malawi). B. Verdcourt, Maidenhead. Pp. 1–75. page(s): 46 [details] Available for editors [request]
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