Author: Fahlbusch, K., 1964.:
Title: Die Stellung der Conodonten im biologischen System.
Description: Paleontogr., Abt. A, 123(4/6): pp. 137-201, several photos on 7 pls. (each with additional leaf of explanat. text), 9 figs., refs. 4to. Plain new wrs.

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