Miocene deinotherids from Vieille Castille, Catalonia, and the Betic zone are described and compared. Certain anatomic features are explained as resulting from geographic isolation, and are not considered valid for proposal of new species.
Describes remains of the mastodon Tetralophodon longirostris from lower Vindobonian (Miocene) localities of Tunisia, and summarizes data on the distribution and migration of the species throughout Europe and of members of the genus throughout the world.
Fossil Castoridae, except for isolated fossil teeth, are little known in the Aquitaine basin of southwestern France. Recent discoveries at Sansan suggest a fairly large population, and a possible evolutionary relationship between Steneofiber viciacensis, S. depereti, and S. jaegeri involving a progressive simplification of the crown of molar teeth.
Concludes that although brownish sands occurring throughout a wide zone in the Aquitaine basin, France, exhibit a marine facies in some localities and a continental facies in others, they represent a single formation deposited toward the end of the Vindobonian (Tertiary) in a basin into which a narrow shallow gulf extended.
Concludes that silica of organic origin played a considerable role in the formation of siliceous layers and nodules in the Bajocian (Jurassic) limestones of the Larzac karst region, France, and that diagenesis of the siliceous banks and limestones was contemporaneous.
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