There's a term in paleontology for species thought to be extinct, but are actually living: Lazarus taxon. animal.discovery.com/exti…
Microsoft co-founder Paul Allen owns a custom submarine that he loaned to scientists who used it to study descendants of coelacanths, a fish commonly referred to as a "living fossil" -- as the sole remaining member of a taxon otherwise known only from fossils, with no close relations alive. blazersedge.com/2011/11/1…
Elvis taxon is a taxon that is believed to be extinct but is falsely claimed by someone to still exist. en.wikipedia.org/wiki/Elv…
An "Elvis taxon" refers to organisms on the fossil record that appear identical to organisms previously thought extinct due to convergent evolution. A paleobiologist suggested the term "in recognition of the many Elvis impersonators who have appeared since the death of The King." en.wikipedia.org/wiki/Elv…
The Chacoan Peccary is an example of a "Lazarus taxon", a species thought to be extinct only to be rediscovered. It was previously known only from fossil records, until it was found alive in Argentina in 1971. en.wikipedia.org/wiki/Cha…
A Lazarus taxon is a taxon that disappears from one or more periods of the fossil record, only to appear again later. A popular example would be the coelacanth. en.wikipedia.org/wiki/Laz…
Different species of amoeba are not necessarily related; amoebas aren't a clade or taxon but rather a type of cell that exists in every major lineage of eukaryotes. en.wikipedia.org/wiki/Amo…
Antelope is a Wastebasket Taxon en.wikipedia.org/wiki/Was…
Orcas, or "killer whales," are actually dolphins. nationalgeographic.com/an…
There was a breed of dog bred to run on a wheel which would turn meat in a kitchen, or churn butter. en.wikipedia.org/wiki/Tur…

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