56MM Pygurus Marmonti Sea Urchin Fossil Sand Dollar Jurassic Age Madagascar Mosasaur Jaw makes it a popular choice

makes it a popular choice for jewelry

While none of these ideas has been definitively proven

making it a dominant predator of its time

from crawling along the sea floor to swimming through shallow waters

56MM Pygurus Marmonti Sea Urchin Fossil Sand Dollar Jurassic Age Madagascar Mosasaur Jaw makes it a popular choiceLocation: Majanga, Madagascar Weight: 3. 2 Ounces Dimensions: 56MM The item pictured is the one you will receive. Pygurus marmonti, the sand dollar, is an extinct Jurassic echinoid known from fossil deposits dating between approximately 145 and 200 million years ago. As a member of the echinoid lineage, it exhibited pentaradial symmetry expressed through a characteristic five pointed pattern on the test. Specimens from Madagascar are particularly