A GROUP OF TRILOBITES
A GROUP OF TRILOBITES

MOROCCO AND RUSSIA

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A GROUP OF TRILOBITES
MOROCCO AND RUSSIA
A group of trilobites including a 8.1 cm. specimen of Selenopletis sp. from the Ordovician (485-433 million years ago), 6½ in. (16.5 cm.) wide on matrix. A 4.2 cm specimen of Harpes perriradiatus from the Middle Devonian (393-388 million years ago) on matrix, and a 4.2 cm specimen of Pliomera fisheri with preservation of its hypostome from the Ordovician (485-433 million years ago).
6½ in. (16.5 cm.) wide on matrix
4 in. (10 cm.) on matrix
4½ (11.5 cm.) wide on matrix

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