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JURASSIC CRINOID - 170 million years old - Gloucestershire

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JURASSIC CRINOID

  

170 million years old

  

Ailsacrinus

  

Great Oolite (Sharps Hill Formation)

Northleach, Gloucestershire

  

Beautifully preserved articulated arms of a crinoid on a slab of limestone. A really lovely specimen with the delicate structures intact suggesting rapid burial. The limestone is also packed with the debris of other crinoids.

   

Crinoids (also called sea lilies) look like plants but they are marine animals related to starfish and sea urchins. They are still living today but were much more numerous in the prehistoric past.

  

Ailsacrinus was a short-stemmed, free-swimming crinoid with ten long, very narrow feeding arms carrying feather-like pinnules on each side. It would have been a poor swimmer, living in dense colonies in the shallow, tropical seas. 

  

The slab has been cut flat on the back with a diamond saw. 

    
Click on a picture for a larger image


Size: 12 x 8 x 3 centimetres
Weight: 363 grams

PRICE: £59.00
JURASSIC CRINOID - 170 million years old - Gloucestershire
JURASSIC CRINOID - 170 million years old - Gloucestershire JURASSIC CRINOID - 170 million years old - Gloucestershire JURASSIC CRINOID - 170 million years old - Gloucestershire JURASSIC CRINOID - 170 million years old - Gloucestershire