Mesozoic Hardouinia Echinoderm Fossil Replica, 4cm

This resin fossil replica reproduces a Mesozoic echinoderm of the genus Hardouinia and measures approximately 4cm (1.25") long. The model is cast from durable resin to withstand repeated classroom handling, unlike fragile originals. Hardouinia was an ancient sea urchin that fed on algae on the seafloor; although the durable test is often preserved in the fossil record, the spines are rarely retained. Well suited to lessons on fossil preservation, paleontology, and evolutionary relationships between extinct and modern echinoderms.