List of EX species in Ilha Norfolk
Esta é uma lista de EX em Ilha Norfolk de acordo com a Lista Vermelha da IUCN.
Esta lista foi atualizada pela última vez em 2019-09-14
This list contains only species that have been assessed for the IUCN Red List. It is therefore not representative of all the species in the country.
| Nombre científico | Nombre común | taxonid | nome da categoria |
| Advena campbelli |
524 |
EX |
| Nestor productus |
22684834 |
EX |
| Posticobia norfolkensis |
18090 |
EX |
| Streblorrhiza speciosa |
30393 |
EX |
| Panulena perrugosa |
15971 |
EX |
| Nancibella quintalia |
14318 |
EX |
| Quintalia flosculus |
19057 |
EX |
| Quintalia stoddartii |
19058 |
EX |
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Species are classified by the IUCN Red List into nine groups:
Extinct (EX) – beyond reasonable doubt that the species is no longer extant.
Extinct in the wild (EW) – survives only in captivity, cultivation and/or outside native range, as presumed after exhaustive surveys.
Critically endangered (CR) – in a particularly and extremely critical state.
Endangered (EN) – very high risk of extinction in the wild, meets any of criteria A to E for Endangered.
Vulnerable (VU) – meets one of the 5 red list criteria and thus considered to be at high risk of unnatural (human-caused) extinction without further human intervention.
Near threatened (NT) – close to being at high risk of extinction in the near future.
Least concern (LC) – unlikely to become extinct in the near future.
Data deficient (DD)
Not evaluated (NE)