07872 - Superb 1.81 Inch OPHIURA SP Brittlestar Upper Ordovician Ktaoua Fm Native gold Ascocystites sp: Fossilworks (Paleobiology Database)
Yard notes & kiln story
Description
Ascocystites sp: Fossilworks (Paleobiology Database)
Calymene sp: Fossilworks - Paleobiology Database
Pseudocryphaeus
Horns are prepared as free standing
Geyer 1993 (trilobite)
07872 - Superb 1.81 Inch OPHIURA SP Brittlestar Upper Ordovician Ktaoua Fm Native gold Ascocystites sp: Fossilworks (Paleobiology Database)Beautiful 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.