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How many times have human species gone extinct?

A deep-dive article by Michael Alan Prestwood.

First, the key idea of the article:

We know of about 15 to 20 ancient human species within the genus Homo over the last two million years.

The core takeaway concept is this:

If you mean “human species” as members of the genus Homo, then yes: more than 15 have gone extinct, and around 20 is a fair estimate, depending on whether you count debated classifications like Homo ergaster as separate species. The key fact is the pattern: Homo repeatedly diversified across Africa and Eurasia, then most lineages ended: through climate shifts, competition, isolation, and absorption into other populations.

Now, the article.

How many times have human species gone extinct?

The short answer is 15 to 20! That’s up to twenty known chapters of human history that have closed forever.

When we refer to “human species” going extinct, we’re discussing members of the genus Homo, all the distinct human species that have disappeared since the emergence of Homo habilis about 2.3 million years ago.

Our planet has been a bustling stage of human evolution, where various human species have walked, foraged, and hunted. To date, numerous human species have gone extinct. These include well-known names like Neanderthals and Homo erectus, as well as less famous but equally intriguing ones like Homo habilis, Homo heidelbergensis, and the recently discovered Homo luzonensis.

Each of these species once roamed different parts of our world, adapting to diverse and changing environments but ultimately not surviving to the present day.

That History FAQ,

was first published on TST 2 years ago.