Moroccan fossil trade
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The Moroccan fossil trade is the large industry surrounding the excavation, preparation and international sale of fossils from Morocco. Morocco contains some of the world's richest fossil sites and ha
Flexicalymene ouzregui, a common Ordovician trilobite found in Morocco
Polished slab of orthocerid (straight-shelled) nautiloid cephalopod fossils from Morocco.
Paradoxides trilobite fossil from Morocco
Tooth of Spinosaurus from the Kem Kem Group in Morocco
Silurian
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The Silurian is a geologic period and system spanning 23.5 million years from the end of the Ordovician Period, at 443.1 Ma to the beginning of the Devonian Period, 419.62 Ma. The Silurian is the thir
Moroccan fossil trade
…export them across the world. The most common and famous finds are trilobites and the nautiloid cephalopod including the orthocerid order of extinct Silurian-Devonian orthoceratoid cephalopods. Nautiloid cephalopods are often found in huge numbers in black limestone, and their fossils, often polished along…
Ordovician-Silurian boundary on Hovedøya, Norway: the brownish late Ordovician mudstone and later dark deep-water Silurian shale layers have been overturned by the Caledonian orogeny.
Fossils of the late Silurian sea bed, England
Diorama of a Silurian seafloor
Cooksonia, the earliest vascular plant, middle Silurian