ammonite nautilus fossil shell sliced open |
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navigate by keyword : abstract ammonite ammonites ammonoidea ancient animal aquatic background beautiful beauty biology black brown cephalopod cephalopoda chamber chambered circle circular cleoniceras close closeup coleoid coleoids copyspace cretaceous extinct fossil isolated molluscs mollusk nautiloid nautilus open orientation pattern sea sealife shape shell sliced specie spiral vertical |
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Nautilus shell fossil isolated on black. Sliced fossil in vertical orientation with copyspace. This ammonite is from the Cretaceous Period. Ammonoids are a group of extinct marine mollusc animals in the subclass Ammonoidea of the class Cephalopoda. These molluscs, commonly referred to as ammonites, are more closely related to living coleoids i.e., octopuses, squid, and cuttlefish than they are to shelled nautiloids such as the living Nautilus species. |
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