A new Ammonite fauna fromthe Sub-Pyrenean Campanian (Upper Cretaceous)
- The top of the marine Upper Cretaceous below the Grès de Labarre in the sub-pyrenean Richou-Montfa anticlineof the Plantaurel-Petites-Pyrénées flexure is dated for the first time as Upper Campanian. It yields the ammonites Didymoceras stevensoni (Whitfield, 1877), Pseudokossmaticeras brandti (Redtenbacher, 1873), Pachydiscus (P.), subrobustus Seunes, 1892, Saghalinites sp., and Baculites sp. Didymoceras stevensoni is a U.S. Western Interior Upper Campanian zonal index, not previously known from Western Europe. © 1995.
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