Author: Debrenne, F., & Lotze, F., 1963.:
Title: Die Archaeocyatha des spanischen Kambriums.
Description: [Abh. math.-nat. Kl. Akad. Wiss. Lit. Mainz, Jg. 1963 Nr. 2.] Wiesbaden. Large 8vo. Pp. 38, several photos on 5 pls., 2 figs., refs. Orig. wrs.

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