Two fossil ammonites of the species <i>Speetoniceras versicolor</i> (<i>Simbirskites</i> (<i>Speetoniceras</i>) <i>versicolor</i>?) . Hauterivian (Lower Cretaceous, about 125 million years old) of Shilovka, Vologda Oblast, European Russia.
Sample is about 50 cm large. Collection of the Sauriermuseum Aathal, Aathal, Switzerland.
<a href="//commons.wikimedia.org/wiki/User:Woudloper" title="User:Woudloper">Woudloper</a>
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