Product Description
Polished Orthoceras Fossil Large Paleontology Specimen: Everything Else. This is undoubtedly one of the main reason the orthoceras soon became extinct. One of the first cephalopods with an elongate, chamged shell was the orthoceras. Paleontologists estimate the beginning of their existence at about 505 to 523 million years ago. The primitive, elongate shell of the orthoceras was not as manageable or functional as later developed, coiled shells of cephalopods and gastropods. Cephalopods are a class of mollusks best known for their many arms and tentacles.
Shipping Weight: 4 ounces
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