Dinosaurs - Hadrosaurs jaw (Edmontosaurus annectens). Cretaceous, Montana, USA, and Alberta, Canada. The photograph shows the tooth battery of a Hadrosaur (plant eating dinosaurs). They were self-sharpening teeth; new teeth emerged through the life of the animal as worn ones were dropped out.Specimen from Collections of the Black Hills Institute of Geological Research, Hill City, South Dakota, USA.
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Creative#:
TOP23536301
Source:
達志影像
Authorization Type:
RM
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須由TPG 完整授權
Model Release:
No
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No
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No
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