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| 正面描述 | 登录 以查看详情 |
|---|---|
| 正面文字 | Latin |
| 正面铭文 | 180 MILLION B.C. BRONTOSAURUS |
| 背面描述 | The reverse presents a dinosaur family tree diagram in relief, featuring illustrated depictions of multiple dinosaur species with their names and subgroup labels arranged across the field. The legend 'WHEN THE WORLD WAS YOUNG' curves along the upper left rim, 'DINOSAURS FAMILY TREE' runs along the lower rim, and taxonomic groupings including ORNITHISCHIANS and SAURISCHIANS appear on either side. Individual species depicted include Ceratopsians (Monoclonius), Ornithopods (Corythosaurus), Theropods (Allosaurus), Ankylosaurs (Palaeoscincus), Sauropods (Diplodocus), Stegosaurs (Stegosaurus), and Thecodonts, with time markers at 135 and 180 million B.C. |
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