Author: PARKINS, WILLIAM G.
Title: The Coral Thuliocyclus prominens n. gen. and sp. (Rugosa: Palaeocyclidae) from the Upper Silurian of the Canadian Arctic Archipelago.
Description: 1986. Journal of Paleontology Vol. 60, No. 1; pp. 53-60, 4 fig./plts. Orig. extract, plain wrps. very good.

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