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United States (4: Missouri
o Digital camera: Photometrics CoolSNAPcf
These are two quadrate bones of the Cretaceous Coelacanth Mawsonia lavocati
it is known that both the Abelisauridae and the Dromaeosauridae are present there
Parent taxon: Micrasteridae according to A
22075 - Superb 5.88 Inch OPHIURA SP Brittlestar Upper Ordovician Ktaoua Fm Mawsonia (Coelacanth) United States (4: MissouriBeautiful 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.
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