| Plantae | Piperaceae | Piper seychellarum | species |
| | | |
| Mollusca | Hydrobiidae | Moomina willii | genus & species |
| Cyclophoridae | Cyathopoma picardense | species |
| Cerastuidae | Pachnodus praslinus | species | | | Pachnodus oxoniensis | species |
| | Pachnodus beckettii | species |
| | Pachnodus niger subfuscus | subspecies |
| | Pachnodus niger x velutinus | form |
| | Pachnodus ladiguensis | species |
| | Pachnodus curiosus | species |
| Helicarionidae | Dupontia levensonia | species |
| Streptaxidae | Edentulina dussumieri reservae | subspecies |
| | Edentulina dussumieri praslina | subspecies |
| | Edentulina dussumieri silhouettae | subspecies |
| | Caraeoradula perelegans | genus |
| | Silhouettia silhouettae | genus & species |
| | Stereostele nevilli parvidentata | subspecies |
| | Conturbatia crenata | genus & species |
| | Priodiscus spinosus | species |
| | Priodiscus costatus | species |
| Punctidae | Punctum seychellarum | species |
| Chronidae | Nesokaliella minuta | genus & species |
| | Nesokaliella intermedia | species |
| | Kaliella aldabrana | species | | Acavidae | Stylodonta unidentata sebertae | subspecies |
| | Stylodonta unidentata praslina | subspecies |
| | Stylodonta unidentata parva | subspecies |
| Partulidae | Partula cootei | species | | | Partula clarkei | species |
| | Partula magistri | species |
| | Partula makatea | species |
| | Partula pearcekellyi | species |
| Hemiptera | Pentatomidae | Amirantea aldabrana | species |
| Margarodidae | Gigantococcus dilleniae | species |
| Pisces | Gobiidae | Asterropteryx gubbina | species |
| Amphibia | Sooglossidae | Sooglossus pipilodryas | species |
| Reptilia | Gekkonidae | Ailuronyx tachyscopaeus | species |
| Mammalia | Emballonuridae | Coleura kibomalandy | species |
| | Paraemballonura atrata | genus |
