Fossil Sponge - Astraeospongia meniscus - 419,000,000 Years Old rome Originally part of the Third

Originally part of the Third Edition of the Mini Museum

leaving behind striking ribbons of iron-nickel alloys known as a Widmanstätten pattern

the wedding was the culmination of a fairy tale in which an assistant kindergarten teacher became a princess overnight

Known to geology as the Green River formation

Above: Front of Specimen Card

Fossil Sponge - Astraeospongia meniscus - 419,000,000 Years Old rome Originally part of the ThirdSponges 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