Petraster Starfish Fossil for Sale – Ordovician Marine Fossil
Upper Ordovician, Katian Stage (~450–460 million years ago) | El Kaid Rami, Morocco
This authentic Petraster starfish fossil originates from the Upper Ordovician, Katian stage, approximately 450–460 million years ago. Discovered in El Kaid Rami, Morocco, it represents early echinoderm life from a time when shallow seas covered large parts of the Earth.
The specimen preserves a single starfish with clearly defined five-armed symmetry, fossilized in its natural stone matrix. Fine structural detail is visible across the body, reflecting the morphology of early true starfish (Asteroidea), distinct from later brittle star forms.
Details:
• Species: Petraster sp.
• Geological age: Upper Ordovician (Katian, ~450–460 Mya)
• Formation: Upper Tiouririne Formation
• Origin: El Kaid Rami, Morocco
• Dimensions: 11.5 × 9 cm
• Preservation: Natural stone matrix
Condition: 100% authentic fossil, well preserved and display-ready
A clear and scientifically significant example of early starfish evolution — preserved from the ancient seas of the Ordovician.
