Macrocrinus Mundulus Crinoid gypsum Minimum size Length 12cm Height

Minimum size Length 12cm Height 10cm  Depth 7cm

There are two choices of size with this trilobite

circa 180 million years old

This two-part fossil shows both the fern and its 'negative'

Macrocrinus Mundulus Crinoid gypsum Minimum size Length 12cm HeightMacrocrinus Mundulus: this is an excellent 3D specimen of the species. Also known as sea lilies, crinoids were aquatic creatures that fed by filtering small particles of food from the water with their feather like arms. Found in the Edwardsville Formation, Crawfordsville, Indiana. Dating from the Lower Carboniferous, circa 340 million years old. Minimum size: Height 5 cm Width 6cm Depth 3cm Includes a small display stand. Measurements are approximate