Fossil Sponge - Astraeospongia meniscus - 419,000,000 Years Old film This necklace is a 1

This necklace is a 1

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

" ~ Naturalist John Muir (1838-1914)

logarithmic pattern it had in life is clearly visible in this incredible display piece

dating to 1

Fossil Sponge - Astraeospongia meniscus - 419,000,000 Years Old film This necklace is a 1Sponges 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