FOSSIL CRINOID STEMS - 320 million years old - Derbyshire
« backFOSSIL CRINOID STEMS
320 million years old
Carboniferous Limestone
Derbyshire
Crinoids (also called sea lilies) look like plants but they are marine animals related to starfish and sea urchins. Most species were attached to the seafloor by a stalk or stem but some were free-swimming. The mouth was surrounded by numerous feeding arms. They are still living today but were much more numerous in the past.
The fossils have been exposed by percolating rainwater which has dissolved the surrounding limestone.
An unusual specimen. Crinoid stems are present on all sides and it sits well for display.
Click on a picture for a larger image
Size: 12 x 10 x 6 centimetres
Weight: 812 grams
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