Phytosaur Teeth - Classic Riker Box Specimens Size:Medium Tooth As fossilization occurs over a

As fossilization occurs over a very long timespan

The ammolite is displayed in a custom-made

This specimen is a 124-gram fragment of a leaded glass shield window installed in the T Plant (221-T) Plutonium Recovery Building

including the 18" (45cm) box-style chain

acquired at auction in 2016

Phytosaur Teeth - Classic Riker Box Specimens Size:Medium Tooth As fossilization occurs over aIn the early Mesozoic era, dinosaurs walked the Earth and heavy ferns covered the land in a hot climate, but one familiar danger lurked at the waters edge: the ancient Phytosaur. This monstrous reptile was an early aquatic predator that struck with terrifying speed and power at anything unfortunate enough to cross its feeding grounds. While it resembled a modern crocodile, the phytosaur is far older and perhaps more frightening than the aquatic