North Africa, early Cretaceous (Lower Albian to Lower Cenomanian), ca. 112 to 97 million years ago. A pair of fossilized teeth from the fierce Spinosaurus (Spinosaurus aegyptiacus), the largest known carnivorous dinosaur and one of the most mysterious to scientists, despite having first been discovered in Egypt in 1912. The teeth have attained a wonderful fossilization, with clear sand grains in their pulp, and rich creamy white, burnt orange, and coffee brown coloration. Displayed together in a glass-fronted riker's box. Size of largest: 4.4" H (11.2 cm); size of box: 6.25" W x 8.2" H (15.9 cm x 20.8 cm)
The Spinosaurus ("spine lizard") had long spines growing from its back vertebrae which formed a sail - they were up to 7 feet long! Recent evidence suggests that this was the first dinosaur that we know of who was able to swim, with short hind limbs like early whales and a long and slender snout with teeth perfect for catching food in the water. It lived in the swampy environment of Cretaceous North Africa, feeding on sawfish, sharks, large lungfish, and even giant coelacanths. A huge mouth full of these serrated teeth would have been perfect for snacking on all the seafood the Cretaceous had to offer!
Provenance: ex private Ventura County, California, USA collection, acquired prior to 2008
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Small losses from edges. Both have been repaired and restored with an applied thin coating to stabilize the fossilized surface.