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making it a dominant predator of its time
from crawling along the sea floor to swimming through shallow waters
producing complex and intriguing crystal geometries
makes it a popular choice for jewelry
The teeth of Coryphodon reveal its diet: bunodont molars with rounded cusps and prominent canines suggest it was primarily a browser
56MM Pygurus Marmonti Sea Urchin Fossil Sand Dollar Jurassic Age Madagascar Mosasaur Jaw making it a dominant predatorLocation: 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
