How about billions? https://en.wikipedia.org/wiki/Extinction https://en.wikipedia.org/wiki/Extinction The evolution itself is made of extinctions. All current

How about billions? https://en.wikipedia.org/wiki/Extinction https://en.wikipedia.org/wiki/Extinction The evolution itself is made of extinctions. All current species exist because their ancestors have pushed some of their contemporaries to go extinct. These lists are just those we know about.