| Similarity | Rank | |
|---|---|---|
| cordifera | 0.915 | 84680 |
| ophioprium | 0.914 | 61525 |
| clavigera | 0.914 | 58875 |
| globifera | 0.910 | 85096 |
| abyssorum | 0.904 | 88073 |
| ophiocymbium | 0.901 | 98409 |
| abyssicola | 0.898 | 68658 |
| griegi | 0.898 | 92596 |
| ophiomitrella | 0.897 | 73851 |
| bairdi | 0.897 | 98424 |
| verrilli | 0.895 | 88019 |
| granulifera | 0.894 | 92744 |
| ventralmost | 0.894 | 67234 |
| ingolfiana | 0.892 | 99953 |
| retecta | 0.892 | 92747 |
| infradental | 0.891 | 48690 |
| dorsalmost | 0.889 | 44591 |
| 1933a | 0.887 | 67240 |
| spinea | 0.887 | 80251 |
| nodosa | 0.883 | 73515 |
| spine-like | 0.883 | 31264 |
| spectabilis | 0.881 | 98391 |
| ophiotrema | 0.878 | 80263 |
| ophiolimna | 0.874 | 84944 |
| adoral | 0.873 | 19823 |