Asterocidaris Urchin Fossil - Jurassic

 
 
This is a fantastically prepared specimen of a Middle Jurassic urchin fossil of the species Asterocidaris bistriata. All of the spines have been prepared individually from the limestone it was found in and mounted in a lifelike position. These urchins with spines are always composites because the spines break off from the body very quickly after they die. It's a very aesthetically pleasing and impressive fossil.

The scientific description of the Asterocidaris can be found here.
DETAILS
SPECIES
Asterocidaris bistriata
LOCATION
Amellago, Morocco
SIZE
3.6" wide (including spines)
CATEGORY
SUB CATEGORY
ITEM
#5922
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