"mass extinction" in German mass extinction Massensterben Detailed translations for "mass extinction" mass extinction mass extinction das Massensterben{neuter} As I recall, the hadrosaur vanished when a mass extinction occurred at the end of the Cretaceous Source: opensubtitles.org Corpus by OPUS Request review Massensterben stattfand. If all of this continues, the balance of nature will collapse, and we will be facing a mass Source: opensubtitles.org Corpus by OPUS Request review Massensterben gegenüberstehen.