Fossil Sponge - Astraeospongia meniscus - 419,000,000 Years Old rome 551 years old

551 years old

It is known from two species Nematonotus bottae and Nematonotus longispinus of which the latter’s fin is more prominent

Above: Front of Specimen Card

sponges are the earliest complex lifeforms on the planet

19" on the longest edge

Fossil Sponge - Astraeospongia meniscus - 419,000,000 Years Old rome 551 years oldSponges 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