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FOSSIL BLASTOIDS - 320 million years old - Illinois, USA

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FOSSIL BLASTOIDS 
 
Pentremites

320 million years old

St. Claire County, Illinois, USA

  

Blastoids are an extinct type of stemmed echinoderm, often referred to as sea buds. They are related to crinoids, starfish and sea urchins.

  

Like crinoids, blastoids were high-level, stalked suspension feeders, feeding mainly on planktonic organisms.

  

These fossils were collected over 40 years ago.


Click on a picture for a larger image

Size: approx. 9 x 7 x 1.5 centimetres
Weight: 110 grams

PRICE: £30.00
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