09131 - Great Association of 2 OPHIURA SP Brittlestars Upper Ordovician - Ktaoua Fm
09131 - Great Association of 2 OPHIURA SP Brittlestars Upper Ordovician - Ktaoua Fm 09131 - Great Association of 2 OPHIURA SP Brittlestars Upper Ordovician - Ktaoua Fm 09131 - Great Association of 2 OPHIURA SP Brittlestars Upper Ordovician - Ktaoua Fm 09131 - Great Association of 2 OPHIURA SP Brittlestars Upper Ordovician - Ktaoua Fm 09131 - Great Association of 2 OPHIURA SP Brittlestars Upper Ordovician - Ktaoua Fm 09131 - Great Association of 2 OPHIURA SP Brittlestars Upper Ordovician - Ktaoua Fm 09131 - Great Association of 2 OPHIURA SP Brittlestars Upper Ordovician - Ktaoua Fm

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09131 - Great Association of 2 OPHIURA SP Brittlestars Upper Ordovician - Ktaoua Fm

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Species
Ophiura sp, Lamarck (1801)
Age
Upper Ordovician (448 million years)
Location
Jbel Amouguer, South Morocco
Formation
Ktaoua Formation
Size
128.2 mm   •    in
Weight
892 g   •    oz
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Description

Size (Biggest): 128.2 mm   /   5.10 in

Beautiful preserved  and well prepared specimens.

This type of brittlestar is quite representative of the Ordovician of the South of Morocco.

Its orange colors come from the limonite (iron oxide) that is the product of the oxidation of the original pyrite that mineralized these fossils.

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