.97" Enrolled Trilobite (Anataphrus) Fossil - Iowa

 
 
This is an enrolled Anataphrus vigilans from the Maquoketa Formation of Iowa. This formation has never been heavily collected, and complete trilobites are fairly scarce. This roller is a little beauty. Both eyes have undergone repair and restoration and there are spots of chipping and restoration to the distal segments and tail.

Trilobites were a very diverse group of extinct marine arthropods. They first appeared in the fossil record in the Early Cambrian (521 million years ago) and went extinct during the Permian mass extinction (250 million years ago). They were one of the most successful of the early animals on our planet with over 25k described species, filling nearly every evolutionary niche. Due in large part to a hard exoskeleton (shell), they left a excellent fossil record.
DETAILS
SPECIES
Anataphrus vigilans
LOCATION
Fayette County, Iowa
FORMATION
Maquoketa Formation
SIZE
.97" wide
ITEM
#136601
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