Les clypeines (algues siphonees verticillees) des monts des Oulad-Nail, Atlas saharien, Algerie
- 1 January 1955
- journal article
- Published by EDP Sciences in BSGF - Earth Sciences Bulletin
- Vol. S6-V (7-9) , 543-552
- https://doi.org/10.2113/gssgfbull.s6-v.7-9.543
Abstract
Describes the occurrence of the alga Clypeina in Jurassic and Neocomian (Cretaceous) deposits of the Oulad-Nail mountains in the Saharan Atlas, Algeria, and the distribution of the species C. jurassica. Among the Valanginian species, two are new: C. lucasi and C. marteli.Keywords
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