Crinoid stem fossils from Morocco, these excellent fossil specimens show the stems of crinoids, a species of echinoderms, similar to brittle stars and star fish from the Silurian period. They show the segments which make up the stem very well, with lengths ranging from 30 mm to 60 mm in size. Crinoid stems are a useful zoning fossil, these samples are supplied by weight, ideal for educational use, kits, packs and more, where a quantity of them may be required without costing too much. Collected from Djebel Issoumour, Alnif, Morocco, the pieces will come supplied in a polythene bag with a label.
