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RUSSIA
Details
A SPINY TRILOBITE
RUSSIA
From the Ordovician (485-443 million years ago) 4-inch specimen of Paraceraurus exsul with eyes set high on cephalon and four very long spines, the matrix carved away to give a flying appearance
10½in. (27cm.) high in case
RUSSIA
From the Ordovician (485-443 million years ago) 4-inch specimen of Paraceraurus exsul with eyes set high on cephalon and four very long spines, the matrix carved away to give a flying appearance
10½in. (27cm.) high in case