1.25" Starfish (Petraster) & Edrioasteroid (Spinadiscus)- Ordovician

This is a 1.25" wide, Ordovician aged starfish of the genus Petraster that's associated with multiple Edrioasteroid fossils of the species Spinadiscus lefebvrei. It comes from the Kataoua Formation near Blekus, Morocco.

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.
DETAILS
SPECIES
Petraster sp. & Spinadiscus lefebvrei
LOCATION
Blekus, Morocco
FORMATION
Kataoua formation
SIZE
Brittlestar 1.25", Matrix 3.8x2.6"
ITEM
#100079
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