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Trilo-Related Gifts

Ampyxina with Genal Spines - DeRosear Collection
OTHER US STATES
Stock Number TTUSX89

Name:   Ampyxina bellatula
Age:  Upper Ordovician
Formation:  Maquoketa Formation
Location:  Elsberry, Missouri
Size:  Trilobite is 0.55 inches long
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This is a textbook specimen of the blind trilobite, Ampyxina bellatula, from the Ordovician of Missouri. At one time, these trilobites were found somewhat prolifically, but not anymore. This trilobite was discovered by Doug DeRosear in 1985, and has been in his collection ever since. The trilobite is outstretched and exhibits very fine detail. The individual segments of the trilobite are well defined. The bug is well centered on the matrix plate. But, best of all, the trilobite still retains its long genal spines - Ampyxina with genal spines intact are rarely ever found. This is a collectible example of this Ordovician index fossil from an obscure location.

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