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Trilobite: Bailiella baileyi (Hartt)
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Trilobite: Bailiella baileyi (Hartt). Cambrian. Saint John, New Brunswick. Collector: A.G. Leavitt, c. 1900. New Brunswick Museum (NBMG 3666). Specimen length (left) 3 cm. Trilobites were part of an ‘Explosion of Life’ in the Middle Cambrian Period. During this time most of the major groups of animals that now exist first appeared.

