Natural Ammonite - Perisphinctes dendrite Above: Macro Image - Samples

Above: Macro Image - Samples of Mount Fuji Lava

All of these pockets eventually died out due to the lack of genetic diversity that comes from metropolitan interactions with larger populations

and self-taught scientist

Spread evenly over entire surface

TYRANNOSAURUS REX (VERTEBRA)

Natural Ammonite - Perisphinctes dendrite Above: Macro Image - SamplesAmmonites are an extinct group of cephalopods that entered the fossil record 400 million years ago. This specimen is a natural Perisphinctes fossil from Madagascar. The animal's shell has been fossilized is exquisite detail and the ribbed, logarithmic pattern it had in life is clearly visible in this incredible display piece.