22439 - Well Prepared 5.05 Inch OPHIURA SP Brittlestar Upper Ordovician Ktaoua Fm MakeOffer Knoxisporites
Yard notes & kiln story
Description
Knoxisporites
and FeNi metal
it has some filled fractures
Northwest Africa 8725 (NWA 8725)
Gerastos sp: Fossilworks (Paleobiology Database)
22439 - Well Prepared 5.05 Inch OPHIURA SP Brittlestar Upper Ordovician Ktaoua Fm MakeOffer KnoxisporitesBeautiful preserved and well prepared specimen. 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.