Fossil Brittle Star - SOLD 6.57" Ophiurida spaceshuttle The tooth of Mosasaur

The tooth of Mosasaur

This magnificent

The dark branching patterns within the quartz of this pendant are a beautiful example of geochemistry—as fascinating as they are beautiful

sharp teeth

The display includes an information card with a centerline die-cut square matching the dimensions of the acrylic cube

Fossil Brittle Star - SOLD 6.57" Ophiurida spaceshuttle The tooth of MosasaurBrittle Stars are one of the oldest groups of animals in the fossil record. Their whip like arms and star shaped bodies have remained relatively unchanged through hundreds of millions of years, which is a testament to their evolutionary success. This specimen is a 6. 57" pair of Ordovician Ophiurida Brittle Stars, which lived over 440 million years ago. Members of the genus could be found all over the world and resembled modern brittle stars in shape