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Boxed Megalodon Tooth Sizing:
box-style chain
56" polished slab cross-section from an Alaskan Woolly Mammoth
As you might expect
20.2" Full Dorsal Dimetrodon Vertebra - Spine Sail iceage Boxed Megalodon Tooth Sizing:ONE OF A KIND PERMIAN MATERIAL! With a fearsome jaw and reptilian appearance, Dimetrodon is often mistaken for a dinosaur. However, this family of Early Permian Age species falls into a disparate taxonomic clade known as synapsids which includes mammals. This specimen is a one of a kind, 20. 2", full dorsal Dimetrodon fossil vertebra. The purpose of the spine sail is unknown, though speculation ranges from thermoregulation to sexual dimorphism, and
