2.5" Ordovician Starfish (Petraster?) Fossil - Morocco

This is a 2.5" wide, Ordovician aged starfish of the genus Petraster. It comes from the Tioririne Formation near Blekus, Morocco. The specimen shows an amazing amount of detail and the natural, orange coloration is due to the oxidization of iron pyrite.

There is an association of multiple Edrioasteroid fossils with poor preservation.

Edrioasteroids are an extinct class of echinoderms that lived from the Ediacaran until the Permian, about 300 million years ago. The living animal would have resembled a pentamerously symmetrical disc or cushion.
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DETAILS
SPECIES
Petraster? & Spinadiscus lefebvrei (Edrioasteroid)
LOCATION
El Kaid Rami, Morocco
FORMATION
Upper Tioririne Formation
SIZE
Brittlestar 2.5", Matrix 3.5x2.8"
ITEM
#100078
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