Archive image from page 190 of Devonian fishes of Iowa (1908). Devonian fishes of Iowa . devonianfishesof00east Year: 1908 DEVONIAN FISHES OF IOWA 197 Fig. 28. Fig. 28. Dinichthys pustulosus Eastm. Middle Devonian; Iowa. Restoration of head- shield, dorsal aspect, showing arrangement of cranial pKtes and course of sensory canals, x J. Lettering as in figure 27 (see page 192).

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