| Name | Children | Media (from resource) | Traits |
|---|---|---|---|
| Arctica islandica (Linnaeus 1767) (Cyprine d'Islande) | 0 | 3 | 0 |
| Arctiidae | 0 | 3 | 0 |
| Ardea cinerea Linnaeus 1758 (Héron cendré) | 0 | 3 | 0 |
| Arenaria interpres (Linnaeus 1758) (Tournepierre à collier) | 0 | 3 | 0 |
| Arenicola marina (Linnaeus 1758) (arénicole) | 0 | 3 | 0 |
| Armeria maritima (Mill.) Willd. (gazon dolympe) | 0 | 3 | 0 |
| Artemisia maritima L. | 0 | 3 | 0 |
| Arvicolidae | 0 | 2 | 0 |
| Ascidiella aspersa (Müller 1776) (ascidie sale) | 0 | 3 | 0 |
| Ascophyllum nodosum | 0 | 3 | 0 |
| Asio flammeus (Pontoppidan 1763) (Hibou des marais) | 0 | 3 | 0 |
| Asio otus (Linnaeus 1758) (Hibou moyen-duc) | 0 | 3 | 0 |
| aster maritime | 0 | 3 | 0 |
| Asterias rubens Linnaeus 1758 (Étoile de mer commune) | 0 | 3 | 0 |
| Atherina presbyter Cuvier 1829 (Abusseau) | 0 | 3 | 0 |
