2. On the Presence of a Canal-System, evidently Sensory, in the Shields of Pteraspidian Fishes

By A Smith Woodward

Published in Proceedings of The Zoological Society of London, in 1887, in volume 1887, pages 478-481

Date published:1887

DOI: 10.1111/j.1096-3642.1887.tb02991.x
BHL: 31784111
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