1 Ophiuroidea. A very nice big example. Rock has been repaired, as star fish was found by breaking the rock, and then preparing down to the starfish. Actual weight 1.4kg. Postage included for mainland UK customers. Age: Ordovician/470 million years old Size: Approx rock 20 x 16cm. Brittle star 6cm minimum. But super hard to measure. Location: Draa Valley, Morocco.