Verdcourt, B. & Polhill, R. (1961). East African slugs of the family Urocyclidae - Part 3 & 4. Journal of the East Africa Natural History Society, 7: 1-36.
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Verdcourt, B. & Polhill, R.
1961
East African slugs of the family Urocyclidae - Part 3 & 4
Journal of the East Africa Natural History Society