Thomson, J.S. (1915). The Pennatulacea of the Cape of Good Hope and Natal. Memoirs and proceedings of the Manchester Literary & Philosophical Society. 59(1): 1-26, plates 1-2.
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Thomson, J.S.
1915
The Pennatulacea of the Cape of Good Hope and Natal
Memoirs and proceedings of the Manchester Literary & Philosophical Society