Star Crinoid stems, collected from Morocco. These excellent fossil specimens show the stems of crinoids, a species of echinoderms, similar to brittle stars and star fish. They show the segments which make up the stem very well, with each segment measuring approximately 1cm in length. 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. These crinoid stems are an example of a species called pentacrinites, and display a unique star shape. Collected from Morocco, the pieces will come supplied in lots of 50 grams, in a polythene bag with information label.
