| Similarity | Rank | |
|---|---|---|
| fossiliferous | 0.862 | 85110 |
| echinoid | 0.860 | 92778 |
| cycad | 0.858 | 65929 |
| frasnian | 0.857 | 88648 |
| mesozoic | 0.854 | 21369 |
| glossopteris | 0.853 | 77276 |
| nautiloid | 0.851 | 49926 |
| oligocene | 0.847 | 52381 |
| blastoid | 0.847 | 83135 |
| dicynodont | 0.843 | 72125 |
| eocene | 0.842 | 39949 |
| archaeopteryx | 0.842 | 88681 |
| mollusca | 0.841 | 99041 |
| refugium | 0.840 | 66085 |
| graptolite | 0.837 | 34991 |
| arctica | 0.837 | 79833 |
| cotinga | 0.836 | 66929 |
| ichthyosaur | 0.835 | 94489 |
| brachiopod | 0.835 | 24768 |
| ammonoid | 0.833 | 43985 |
| lycopod | 0.830 | 86783 |
| graptoloid | 0.830 | 83200 |
| neotropical | 0.830 | 69600 |
| angiosperm | 0.829 | 41266 |
| trilobite | 0.828 | 21911 |