Opakovaný a nezávislý vznik i následná rozmanitost šavlozubých predátorů náležejí mezi nejpozoruhodnější jevy historie života na Zemi. Ti tak představují jedinečný příklad konvergentní evoluce, který zahrnuje celou řadu sdílených, velmi efektivních adaptací, vedoucích k jejich mimořádnému evolučnímu úspěchu. Důvod jejich zániku, ač k tomu v průběhu kenozoika došlo vícekrát, zůstává nejasný a poskytuje tím vděčný námět k četným spekulacím. Naposledy tento zajímavý ekomorfotyp vymizel z přírody zhruba před deseti tisíci lety. Snad ne navždy.

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Multiple independent origins and great diversity of sabre-tooth predators are one of the most remarkable phenomena in the natural history of life. Sabre-tooth pre­dators provide a unique example of the convergent evolution that involved many kinds of very efficient functional adaptations leading to their unprecedented evolu­tionary success. The reason for their demise, although occurring repeatedly during the Tertiary, remains unclear and offers a broad matter of speculation. Nevertheless, this interesting ecomorphotype completely disappeared from nature roughly 10,000 years ago, but may be not for ever.