Île Amsterdam et Île Saint-Paul / Amsterdam Island & Saint Paul Island Endemic Taxa.

Not within iNat taxonomy:

• 2 Pterodroma sp. Petrels (extinct before they could be described)
• 2 Hydrobatidae sp. Storm-Petrels (extinct before they could be described)
• 27 Diatoms (Chattova et al., 2021)
• Sphagnum islei
• Sphagnum complanatum
• Sphagnum cavernulosum
• Parapsyllus senellarti - a flea that feeds solely on Amsterdam Albatross
• Several mite species
• Mimopentarthrum sanctipauli (Hustache, 1940) - a weevil (Curculionidae). Monotypic genus.
• Liburnia sancti-pauli (Jeannel, 1947) - a planthopper (Delphacidae)
• Mecyclothorax sculptopunctatus (Enderlein, 1909) - a ground beetle (Carabidae)
• Hydrophorus antarcticus (Schiner, 1868) - a long-legged fly (Dolichopodidae)
• Scatella sanctipauli (Schiner, 1868) - a shore fly (Ephydridae)
• Sterna vittata sanctipauli - Antarctic Tern (Amsterdam)

MacGillivray's Prion (Pachyptila macgillivrayi) was once thought to be endemic to Saint Paul, but has since been well-documented on Gough Island.

Species-specific useful links: Tanystylum beuroisi, Lichens, Liverworts, Sphagnum mosses, Sagina hookeri, Sagina diffusa, Megalastrum taafense, Amsterdam Duck/Teal, Lichens, Neomerinthe bauchotae,

Antarctic_subantarctic_insects_checklist_1954.pdf

https://sbocc.fr/publication/la-flore-de-lile-amsterdam-etat-des-lieux-des-connaissances/