07174 - Superb 3.31 Inch OPHIURA SP Brittlestar Upper Ordovician Ktaoua Fm Symphysops This is a small rarity

This is a small rarity coming from the Paleocene phosphate quarries of the sedimentarian basin of Oulad Abdoun (Morocco)

Subtaxa: Hollardops aithassainorum

Mosasauridae Gervais

See also Arkell et al

This specimen is preserved partially

07174 - Superb 3.31 Inch OPHIURA SP Brittlestar Upper Ordovician Ktaoua Fm Symphysops This is a small rarityBeautiful 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.