Fossil Sponge - Astraeospongia meniscus - 419,000,000 Years Old film This specimen is a geologic

This specimen is a geologic fragment of a prehistoric Deep-Sea Hydrothermal Vent that was recovered from Kidd Creek Mine in Ontario

This particular specimen is an Acheulean stone chopper

This necklace is a 1

" ~ Naturalist John Muir (1838-1914)

Deluxe - Priced individually by size

Fossil Sponge - Astraeospongia meniscus - 419,000,000 Years Old film This specimen is a geologicSponges 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