Meta:Species revival

A species revival is a type of retcon where a species that was once considered extinct is brought back to life.

Species may be revived for a variety of reasons, such as:
 * They were mistakenly assumed replaced when they were not / were only replaced locally
 * They were mistakenly never added to the ecosystem page
 * They were not added to all of their biomes on submission, resulting in them dying out when they should have survived in one of the excluded biomes
 * They were mistakenly removed from the ecosystem page while a neighboring species was also being removed
 * They were replaced or outcompeted, but the reasoning was deemed implausible and was thus undone
 * The parameters of an extinction event were retconned, resulting in a species getting through that didn't before
 * A biome was falsely flagged as extinct or was not succeeded correctly
 * They were mistakenly absorbed into a genus group that they did not belong in
 * A species was retconned into existence that saved them

Species revival may also refer to cases of species having their extinction date changed to be much later, even if they ultimately were not revived to the present day; this is the case for the vast majority of species found to have been killed by mistake. Some species that had their extinction date moved, such as the Desert Soriparasite, produced descendants afterwards as part of a separate retcon event; these are counted as revivals.

Species that were at one point revived
These lists are incomplete.

Assumed replaced

 * Rainbow Marephasmatis

Not added to all biomes

 * Desert Soriparasite (cave was excluded)

Accidentally removed from ecosystem page

 * Uksip Marfinnus

Implausibly replaced

 * Fishing Grasper
 * Cave Rustmold and symbiotes

Extinction event parameters changed

 * Pre-ice age ocean biota

Accidental biome extinction

 * Artir beach biota
 * Coolsteph beach biota
 * Glacial beach biota
 * Global glacier biota

Saved by retcon species

 * Many species saved by tlukvaequabora

Other

 * Genteel Tuskent - found to have been bred to be under the size threshold for the extinction event by sapient tripodicians