Laidlaw, F. F. (1903). On the marine fauna of Zanzibar and British East Africa, from collections made by Cyril Crossland in the Years 1901 and 1902. Turbellaria Polycladida. I. The Acotylea. Proceedings of the general meetings for scientific businnes of the Zoological Society of London. 2: 99–113 + 1 pl.
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Laidlaw, F. F.
1903
On the marine fauna of Zanzibar and British East Africa, from collections made by Cyril Crossland in the Years 1901 and 1902. Turbellaria Polycladida. I. The Acotylea.
Proceedings of the general meetings for scientific businnes of the Zoological Society of London.