| Similarity | Rank | |
|---|---|---|
| ophioplinthacinae | 0.925 | 98344 |
| ophiacanthinae | 0.898 | 98300 |
| midradially | 0.892 | 92701 |
| spinea | 0.891 | 80251 |
| cordifera | 0.889 | 84680 |
| bairdi | 0.889 | 98424 |
| flap-like | 0.888 | 98423 |
| spectabilis | 0.886 | 98391 |
| ophiotominae | 0.885 | 80355 |
| dorsally | 0.882 | 97059 |
| anaspid | 0.879 | 94715 |
| scale-like | 0.874 | 52462 |
| granulifera | 0.874 | 92744 |
| griegi | 0.873 | 92596 |
| globifera | 0.873 | 85096 |
| rostral | 0.873 | 91916 |
| cartilaginous | 0.872 | 81719 |
| valenciennesi | 0.872 | 98418 |
| ophiocymbium | 0.872 | 98409 |
| zooid | 0.871 | 94270 |
| infradental | 0.869 | 48690 |
| bar-like | 0.869 | 88208 |
| nasohypophysial | 0.867 | 94595 |
| pseudo-cleft | 0.865 | 95897 |
| imbricate | 0.864 | 50529 |