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Early land evidence anchors
Composite index for the CIDX Press story comparing the new millipede origin estimate, the older fossil floor, and the vertebrate land-arrival benchmark. Higher scores mean stronger support for the headline frame, not greater organismal abundance.
Indicators
| Name | Direction | Unit | Weight |
|---|---|---|---|
| Antiquity | + positive | Ma | 35.0% |
| Lead over vertebrates | + positive | Myr | 30.0% |
| Evidence directness | + positive | 1-5 score | 10.0% |
| Tree coverage | + positive | 1-5 score | 15.0% |
| Ecosystem setup role | + positive | 1-5 score | 10.0% |
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