| Species | Name Used |
|---|---|
| Terebellides stroemii Sars, 1835 | Terebellides stroemi (p. 873 ) |
| Tharyx kirkegaardi Blake, 1991 | Tharyx kirkegaarde (p. 873 ) |
| Thyasira flexuosa (Montagu, 1803) | Thyasira flexuosa (p. 873 ) |
| Trochochaeta multisetosa unspecified | Trochochaeta multisetosa (p. 873 ) |
| Xestoleberis depressa Sars, 1866 | Xestoleberis depressa (p. 873 ) |