Fossil Brittle Star - SOLD 6.15" Ophiurida morecoolthings University of Chicago Press

University of Chicago Press

The yellow color of the glass is due to a high concentration of lead-oxide (up to 30% in this case)

SAMURAI SWORD (14th Century)

Mosasaur tooth

this material covered insulation and kept the payload area clean and pristine

Fossil Brittle Star - SOLD 6.15" Ophiurida morecoolthings University of Chicago PressBrittle 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. 15" Ordovician Ophiurida Brittle Star, 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 and