Author: Drot, J.
Title: Orthida (brachiopodes) de Maroc présaharien. I. Orthidina. II. Dalmanellidina du dévonien inférieur, a l'exclusion du genre Schizophoria.
Description: Paris, Masson, 1975. 4to. 57 pp., eight plates with explanatory text leaves. Original printed wrappers. = Includes descriptions of new species. Also a number of species in open nomenclature, although the fauna is rather well-preserved. Published in Annal;es de Paléontologie 61 with the wrappers of the issue. The paper has double pagination, viz. of the volume, and for the paper itself. Some stamps on the front cover, internally clean.

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