Type species: Flustra unicornis Fleming, 1828
This genus includes the species:
| Tegella aquilirostris | (O'Donoghue & O'Donoghue, 1923) | Recent | Alaska |
| Tegella arctica | (d'Orbigny, 1851) | Recent | Arctic, Alaska |
| Tegella armifera | (Hincks, 1880) | Recent | NE Pacific, St Lawrence Gulf |
| Tegella cassidata | (O'Donoghue & O'Donoghue, 1923) | Recent | SW USA |
| Tegella circumclathrata | (Hincks, 1881) | Recent | SW USA |
| Tegella horrida | (Hincks, 1880) | Recent | Northeast Pacific |
| Tegella inermis | Kluge, 1952 | Recent | Arctic |
| Tegella japonica | (Canu & Bassler, 1929) | Recent | Northwest Pacific |
| Tegella larusiensis | Soule, Soule & Chaney, 1995 | Recent | SW USA |
| Tegella unicornis | (Fleming, 1828) | Recent | Europe |
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| Tegella aquilirostris (Thanks to Matt Dick) |
Tegella arctica | Tegella horrida (Thanks to Matt Dick) |
Tegella japonica (Andrew Grischenko photo) |