File:Upper Cretaceous Hell Creek dinosaur census.png
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Summary
| Description |
English: Pie chart of the time averaged census for large-bodied dinosaurs from the entire Hell Creek Formation in the study area (sampled near Fort Peck Reservoir in northeastern Montana).
Triceratops is the most common dinosaur at 40% (n = 72); Tyrannosaurus is second at 24% (n = 44); Edmontosaurus is third at 20% (n = 36) followed by Thescelosaurus at 8% (n = 15), Ornithomimus at 5% (n = 9), and Pachycephalosaurus and Ankylosaurus at 1% (n = 2). |
| Date | |
| Source | Horner JR, Goodwin MB, Myhrvold N (2011) Dinosaur Census Reveals Abundant Tyrannosaurus and Rare Ontogenetic Stages in the Upper Cretaceous Hell Creek Formation (Maastrichtian), Montana, USA. PLoS ONE 6(2) |
| Author | John R. Horner, Mark B. Goodwin, Nathan Myhrvold |
| Other versions | العربيَّة |
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| Date/Time | Dimensions | User | Comment | |
|---|---|---|---|---|
| current | 10:00, 12 March 2020 | 1,556 × 638 (91 KB) | FunkMonk | Horizontal fits Wikipedia better. |
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