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Fig. 72. Pterosaur skulls: A, Nyctosaurus, from above; B, the same from below. About five eighths natural size. C, Pteranodon, from below, after Eaton. About one fourth natural size.
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Fig. 72. Pterosaur skulls: A, Nyctosaurus, from above; B, the same from below. About five eighths natural size. C, Pteranodon, from below, after Eaton. About one fourth natural size.
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