07175 - Superb 5.04 Inch OPHIURA SP Brittlestar Upper Ordovician Ktaoua Fm Geological Samples Great Collection of 4 Huge
Yard notes & kiln story
Description
Great Collection of 4 Huge specimens
Environments: marine
Ypresian and “Euclastes group” elements
Kennacryphaeus
Excellent tooth of one of the giant crocodiles that reigned the fluvial systems of the North African Cretaceous
07175 - Superb 5.04 Inch OPHIURA SP Brittlestar Upper Ordovician Ktaoua Fm Geological Samples Great Collection of 4 HugeBeautiful 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.