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Cool, Rare Ball of Silurian Blue-Green Algae
Stock Number  XIALG703
EXTINCTIONS Choice

Name:   Cyclocrinites dactioloides
Age:  Silurian
Formation:  Hopkinton Formation
Location:  Maquoketa, Iowa
Size:  Ball is 1.5 inches across
This specimen is not for sale
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This is a very unusual fossil. It is a fossilized ball of Blue-Green Algae from the Silurian of Iowa. Originally, experts thought this was a type of crinoid, thus its name. This distinct specimen is very inflated and 3-D, and has excellent detail preserved. This is a very fine mass of Blue-Green Algae from Iowa. (Algae is not an invertebrate, but we do not have a category for algae, so it is included here.)



 
 
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