Daniel Olvera

Daniel Olvera

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Daniel Olvera
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Spinosaurus aegyptiacus, Early to Late Cretaceous (112 – 93.5 Ma), Described by Stromer, 1915 ::: The Cretaceous (Cenomanian) continental record of the Laje do Coringa flagstone (Alcântara Formation), Brazil, northeastern South America [2014] Highlights: • A summary of the Cretaceous flora and fauna of Alcântara Formation, Brazil.

The Cretaceous (Cenomanian) continental record of the Laje do Coringa flagstone (Alcântara Formation), Brazil, northeastern South America Highlights:

Origin of Dinosaurs – Updated

Earlier we looked at the origin of dinosaurs. Here is an update. Notably absent here are Lagerpeton, phytosaurs and pterosaurs -- because they don't belong.

Pre-Historic Marine Life - Dinosaur Poster, 24x36

Pre-Historic Marine Life 24 x 36 Inch Full Color Information Poster By Eurographics This fascinating poster shows the ancestors of many of today's sea creatures: Sharks, Whales, Porpoises and more.