Fossil Sponge - Astraeospongia meniscus - 419,000,000 Years Old rockinaboxtethys Each earring pair is set

Each earring pair is set into a fine sterling silver backing with dangle hooks of the same material

Over millennia

PTEROSAUR (Wing bone)

was a byproduct of the mammalian explosion of diversity in the Eocene

Since our earliest days

Fossil Sponge - Astraeospongia meniscus - 419,000,000 Years Old rockinaboxtethys Each earring pair is setSponges are sessile filter feeders that thrive across the world's oceans. First appearing nearly 600 million years ago, sponges are the earliest complex lifeforms on the planet. This specimen is a complete 1. 5 2" Astraeospongia meniscus sponge fossil, preserved in beautiful detail. It was recovered on private land in Tennessee and dates to the Silurian Period over 419,000,000 years ago. Each specimen comes complete with an informational card that