Cretaceous ammonite from the U.S. Badlands

Name: Sphenodiscus lenticulares

Age: Upper Cretaceous

Size: mm (25.4mm=1 inch): Matrix measures 110 mm across. The ammonite measures 68 mm at its widest expanse

Location: Fox Hills Formation, South Dakota

Code: 9-1

Price: $175.00 - Sold


Professionally prepared using air abrasion equipment, this Upper Cretaceous specimen is a superb specimen of Sphenodiscus lenticulares. It comes from the U.S. badlands, Fox Hills formation, South Dakota. The collector was also the preparator in this case and took great pride in this work of art. Truly a wonderful display specimen, not polished, but rather revealing all intricate aspects of Nature's design. Sphenodiscus lenticulares is considered to have been a fast swimmer.

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