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Portrait of John Mason Clarke

John Mason Clarke

John Mason Clarke was an American teacher, geologist and paleontologist.

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Observations on the Terataspis grandis, Hall, the largest known trilobite by John Mason Clarke

Observations on the Terataspis grandis, Hall, the largest known trilobite

** A paleontologist uncovers astonishing facts regarding the king of trilobites, revealing that this species reached exceptional amounts of bulk.

By John Mason Clarke

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