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Results of the evolutionary rate ratios.
| Hypothesis number | Modules | Rate ratio | |
|---|---|---|---|
| ratio | p | ||
| 1 | head/all fins/tail peduncle | 3.324 | 0.192 |
| 2 | head/paired fins/dorsal and anal fins/tail peduncle/caudal fin | 6.173 | 0.962 |
| 3 | head and trunk/tail | 3.547 | 0.001 |
| 4 | head/trunk and tail | 1.360 | 1 |
| 5 | head/trunk/tail | 5.174 | 0.001 |
