Sphenodiscus sp. Upper Cretaceous Fox Hills Formation, North Central South Dakota An extraordinary occurrence, here is a large, complete example of one of the most beautiful American ammonites, Sphenodiscus. The specimen exudes exceptional rarity and quality, revealing an entire shell preserved with gorgeous glowing red coloration with absolutely no restoration or repair. The source fossil beds for such specimens have been heavily collected for over 60 years making the availability of even lower quality specimens severely limited. The present large, exceptional offering displays beautiful shimmering hues in contrast to its original shale matrix nodule. Matrix measures 16 x 7 1/2in, Ammonite measures 12in, Weighs 73lbs
Sphenodiscus sp. Upper Cretaceous Fox Hills Formation, North Central South Dakota An extraordinary occurrence, here is a large, complete example of one of the most beautiful American ammonites, Sphenodiscus. The specimen exudes exceptional rarity and quality, revealing an entire shell preserved with gorgeous glowing red coloration with absolutely no restoration or repair. The source fossil beds for such specimens have been heavily collected for over 60 years making the availability of even lower quality specimens severely limited. The present large, exceptional offering displays beautiful shimmering hues in contrast to its original shale matrix nodule. Matrix measures 16 x 7 1/2in, Ammonite measures 12in, Weighs 73lbs
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.jpg "Quelle: Christie's")
.jpg "Quelle: Christie's")
