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Description
Reconstruction of the pteraspid heterostracan, Errivaspis wayensis, from the Wayne Hereford Quarry of Early Devonian England. Because it was originally described as "Pteraspis rostrata var. wayensis," a lot of researchers mistakenly assume that Pteraspis was synonymized as Errivaspis.

Description
Reconstruction of the pteraspid heterostracan, Errivaspis wayensis, from the Wayne Hereford Quarry of Early Devonian England. Because it was originally described as "Pteraspis rostrata var. wayensis," a lot of researchers mistakenly assume that Pteraspis was synonymized as Errivaspis.