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A Sea without Fish : Life in the Ordovician Sea of the Cincinnati Region.
The region around Cincinnati, Ohio, is known throughout the world for the abundant and beautiful fossils found in limestones and shales that were deposited as sediments on the sea floor during the Ordovician Period, about 450 million years ago-some 250 million years before the dinosaurs lived. In Or...
| Clasificación: | Libro Electrónico |
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| Autor principal: | |
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| Formato: | Electrónico eBook |
| Idioma: | Inglés |
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Bloomington :
Indiana University Press,
2009.
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| Colección: | Life of the past.
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| Temas: | |
| Acceso en línea: | Texto completo |