| Similarity | Rank | |
|---|---|---|
| ophiomyces | 0.928 | 92690 |
| ophioprium | 0.923 | 61525 |
| ophiotoma | 0.923 | 76109 |
| ophiotominae | 0.912 | 80355 |
| bidentata | 0.907 | 80327 |
| verrilli | 0.902 | 88019 |
| bairdi | 0.899 | 98424 |
| valenciennesi | 0.890 | 98418 |
| ophiura | 0.888 | 74006 |
| griegi | 0.888 | 92596 |
| densa | 0.886 | 87881 |
| globifera | 0.886 | 85096 |
| spinea | 0.883 | 80251 |
| abyssicola | 0.882 | 68658 |
| ophiotrema | 0.880 | 80263 |
| retecta | 0.880 | 92747 |
| nodosa | 0.877 | 73515 |
| ophiolimna | 0.875 | 84944 |
| spectabilis | 0.874 | 98391 |
| ophiolebes | 0.873 | 73857 |
| 1933a | 0.872 | 67240 |
| ophiomitrella | 0.872 | 73851 |
| ophioplinthacinae | 0.870 | 98344 |
| anaspid | 0.869 | 94715 |
| ingolfiana | 0.868 | 99953 |