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Fish: Yvonaspis campbelltonensis (Whiteaves)

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Double colour image of brown rock with fossilized fish head and drawing of fish
Fish: Yvonaspis campbelltonensis (Whiteaves). Devonian. Atholville, New Brunswick. Collector: J. Maisey, P.G. Gensel, W. Gensel, M.G.P. Carvalho, and R.F. Miller, 2006. New Brunswick Museum (NBMG 14217). Image width (left) 10 cm. Yvonaspis was a cephalaspid, a jawless fish with an armoured head. The headshields of cephalaspid fish are distinctive arrow-shaped structures. A close-set pair of eyes was located near the middle of the head.