Cleoniceras Ammonite Pair, from Madagascar (No.105)

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Cleoniceras Ammonite Pair, from Madagascar (No.105)Cleoniceras Ammonite (with red 'fire' iridescents) from Madagascar
Cretaceous Period, 110 Million Years Old

Measurements Approx.
Height - 13.5 cm
Width - 3.4 cm
Length - 10.9 cm

Cleoniceras is a rather involute, high-whorled hoplitid from the Lower to basal Middle Albian of Europe, Madagascar, and Transcaspian region. The shell has a generally small umbilicus, arched to acute venter, and typically at some growth stage, falcoid ribs that spring in pairs from umbilical tubercles, usually disappearing on the outer whorls.