<P> This page features lists of extinct species , organisms that have become extinct , either in the wild life or completely disappeared from Earth . In practice , a species not definitely located in the wild life in the last 50 years is called extinct . </P>
<P> This page features lists of extinct species , organisms that have become extinct , either in the wild life or completely disappeared from Earth . In practice , a species not definitely located in the wild life in the last 50 years is called extinct . </P>
the species which are totally vanished from earth are known as
the species which are totally vanished from earth are known as
extinct species
extinct species