大きさが21~30mの恐竜 | 恐竜大百科

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Was Brachiosaurus Surprisingly a “Light Eater”? Plant Experiments Simulating CO2 Levels Reveal the Diet of Giant Dinosaurs
The Truth Behind Dinosaur Extinction: The Full Story of the K-Pg Boundary Event Caused by the Chicxulub Impactor.
Building-Sized Giants! The Top 10 Largest Dinosaurs in History.