Table 1.
Details of extant taxa used for CT scanning
| Taxon | Family | Locality | Exposure (ms) | X-ray kv | X-ray ua | Voxel size (mm) |
|---|---|---|---|---|---|---|
| Nothria conchylega | Onuphidae | Baffin Bay, Canada | 500 | 165 | 160 | 0.005 |
| Eurythoe complanata | Amphinominae | Puerto de la Cruz, Tenerife, Canary Islands | 500 | 165 | 160 | 0.007 |
| Archinome cf. tethyana | Archinominae | Snake Pit vent field, Mid-Atlantic Ridge | 708 | 100 | 150 | 0.009 |
| Goniada maculata | Goniadidae | ENE of Deget, off Frederikshavn, N Kattegat, Denmark | 354 | 160 | 160 | 0.005 |
| Glycera alba | Glyceridae | Frederikshavn, N Kattegat, Denmark | 354 | 160 | 160 | 0.005 |
| Hediste diversicolor | Nereididae | W of Nibe Bredning, Limfjorden, N. Denmark | 354 | 160 | 160 | 0.005 |
| Harmothoe imbricata | Polynoidae | Bredefjord, S Greenland, Rink | 500 | 165 | 160 | 0.01 |
| Nephtys hombergii | Nephtyidae | Kaas Bredning, Limfjorden, N. Denmark | 354 | 160 | 160 | 0.005 |