Giant Split Ammonite "Bookends" bison Found in the Red Beds

Found in the Red Beds formation of Texas

A stunning cast molded directly from the Allosaurus jimmadseni specimen

but impeccable serrations running down either side

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Giant Split Ammonite "Bookends" bison Found in the Red BedsThese beautiful Perisphinctes Ammonites are found on the African island of Madagascar and are stunningly preserved with zero restoration. They have been split, polished, and mounted so both the exterior stunning natural side and the gorgeous crystalline interior structure can be admired. Comes with a custom stand where each side is mounted individually on a heavy hardwood, allowing them to be used as bookends. Ammonites were prehistoric extinct