izumreti

1. to die out; to become extinct
   Dinosaurusi su izumrli pre oko 66 miliona godina. — The dinosaurs died out about 66 million years ago.
   Mnoga sela u istočnoj Srbiji su skoro izumrla. — Many villages in eastern Serbia have almost died out.
2. (of a custom, craft) to die out; to disappear
   Taj stari zanat je gotovo izumro. — That old craft has almost died out.

The imperfective is izumirati; "izumrla vrsta" means an extinct species.