What are animal species that no longer exist called?

the last time I saw a lizard in my neighborhood was 20 years ago. I think we as humans must help preserve this creatures. they are all here on earth for å good purpose.

I think that it should be called vanished creatures of the living

My little sister is so smart!👏

This is the Mommoth

This was one of the easiest questions this game ever gave me,I’m sure everyone has learnt this in school when they were little or now if you are in school

Nope there all extincted