| Similarity | Rank | |
|---|---|---|
| habitat | 0.806 | 4730 |
| species-rich | 0.767 | 57871 |
| triassic | 0.766 | 19513 |
| mesozoic | 0.763 | 21369 |
| pleistocene | 0.762 | 19850 |
| specie | 0.757 | 1618 |
| faunal | 0.753 | 43919 |
| fossil | 0.749 | 4744 |
| mammal | 0.749 | 5302 |
| ordovician | 0.744 | 22032 |
| silurian | 0.743 | 24411 |
| ecosystem | 0.742 | 13337 |
| taxon | 0.740 | 30707 |
| permian | 0.739 | 18568 |
| dicynodont | 0.738 | 72125 |
| subpolar | 0.733 | 46198 |
| vegetation | 0.732 | 5804 |
| invertebrate | 0.732 | 11542 |
| estuarine | 0.732 | 44121 |
| intertidal | 0.731 | 42671 |
| nvc | 0.731 | 46997 |
| refugium | 0.730 | 66085 |
| palaeozoic | 0.729 | 17635 |
| cretaceous | 0.727 | 15845 |
| neotropical | 0.726 | 69600 |