crustacés
| Nom | Type | Notoriété | Popularité |
|---|---|---|---|
| Artemia Salina | Taxon | 32 | 191.8 |
| Artemia Tunisiana | Taxon | 4 | 0.3 |
| Artemiina | Taxon | 2 | 0.0 |
| Artémie | Taxon | 38 | 191.0 |
| Ascetomolgus Plicatus | Taxon | 3 | 0.0 |
| Aselle | Taxon | 25 | 18.0 |
| Aselle de Bourgogne | Taxon | 1 | 0.3 |
| Asellidae | Taxon | 19 | 0.3 |
| Asellus | Taxon | 16 | 0.5 |
| Ashtoret | Taxon | 8 | 0.0 |
| Aspidomolgus Stoichactinus | Taxon | 5 | 0.0 |
| Astacidae | Taxon | 32 | 2.8 |
| Astacidea | Taxon | 34 | 2.1 |
| Astacoidea | Taxon | 17 | 6.1 |
| Astacopsis Gouldi | Taxon | 15 | 4.1 |
| Astacus | Taxon | 19 | 1.4 |
| Astacus Leptodactylus | Taxon | 20 | 1.7 |
| Astacus Pachypus | Taxon | 7 | 0.4 |
| Asterocheridae | Taxon | 7 | 0.0 |
| Atelecyclidae | Taxon | 13 | 0.3 |
| Atelecyclus | Taxon | 8 | 0.2 |
| Atelecyclus Undecimdentatus | Taxon | 8 | 0.2 |
| Atergatis | Taxon | 11 | 0.6 |
| Athanas | Taxon | 9 | 0.6 |
| Athanopsis | Taxon | 5 | 0.2 |
| Atya | Taxon | 11 | 0.8 |
| Atya Gabonensis | Taxon | 16 | 4.8 |
| Atyidae | Taxon | 26 | 1.4 |
| Atyoidea | Taxon | 4 | 0.3 |
| Atypopenaeus | Taxon | 7 | 0.1 |
| Austinixa | Taxon | 7 | 0.2 |
| Austinotheres Angelicus | Taxon | 4 | 0.3 |
| Austromegabalanus Psittacus | Taxon | 12 | 1.4 |
| Austropenaeus | Taxon | 5 | 0.3 |
| Austropotamobius | Taxon | 12 | 0.7 |
| Austropotamobius Torrentium | Taxon | 16 | 0.6 |
| Austrothelphusa | Taxon | 9 | 0.4 |
| Automate | Taxon | 7 | 0.0 |
| Axiidae | Taxon | 15 | 0.2 |
| Axiidea | Taxon | 11 | 0.1 |
| Axioidea | Taxon | 7 | 0.5 |
| Axiopsis | Taxon | 7 | 0.0 |
| Axius | Taxon | 9 | 0.0 |
| Axius Serratus | Taxon | 8 | 0.4 |
| Axius Stirhynchus | Taxon | 5 | 0.0 |
| Balanidae | Taxon | 25 | 2.8 |
| Balanoidea | Taxon | 8 | 0.4 |
| Balanomorpha | Taxon | 15 | 23.3 |
| Balanus | Taxon | 21 | 3.8 |
| Balanus Crenatus | Taxon | 10 | 0.9 |