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Description
Phylloceras inflatum fossil from the Mahajanga Province of Madagascar. The fossil dates to the Albian Stage of the Cretaceous Period, around 105 Ma (mega-annum, or million years). This ammonite is a shelled cephalopod related to extant squids.
The septum on this ammonite is the original nacre (aragonitic mother of pearl). Orange calcite crystals are in the chambers of the ammonite.
Comments
Submitted to CORE Scholar to be digitized by Graduate Student, David Peterman.