Smooth Involute Ammonite Fossil Replica - Spiral Shell

A smooth ammonite with an involute shell, where each new whorl wraps over most of the one before. The preview shows a sleek, almost featureless surface, a small stepped centre (umbilicus) with a tiny hole through the middle, and a gently rounded outer edge. One solid piece, about 6.2 cm across. Ammonites were shelled marine cephalopods that lived from around 400 million years ago until the end of the Cretaceous, 66 million years ago. Smooth, tightly coiled shells like this one are typical of gr…

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