| Absent | |
| Present |
| Absent | |
| Present |
| Absent | |
| Present |
| Absent | |
| Present |
| Absent | |
| Ctenognaths | |
| Labidognaths | |
| Prionognaths |
| Absent | |
| Present |
| Absent | |
| Cirriform | |
| Foliacious | |
| Globular | |
| Include scales | |
| Limited |
| Absent | |
| Present |
| Absent | |
| Dorsal flat | |
| Dorsal in a few anterior segments | |
| Dorsal simple | |
| Interramal | |
| Parapodial | |
| Single |
| Absent | |
| Present |
| Absent | |
| Present |
| Absent | |
| Present |
| Absent | |
| Circle | |
| Complicated apparatus | |
| Dorsal and ventral pairs | |
| Lateral Pair | |
| Single Tooth | |
| Toothed ring |
| Absent | |
| Lateral | |
| Median | |
| Median and Lateral |
| A single cirrus | |
| Absent | |
| More than one pair | |
| One pair |
| Dentate | |
| Hooked | |
| Tapering |
| Absent | |
| Present |
| Absent | |
| Eight pairs | |
| Four pairs | |
| One pair | |
| Six pairs | |
| Three pairs | |
| Two pairs |
| Absent | |
| Present |
| Absent | |
| Present |
| Absent | |
| Present |