This progressive picture of the history of life was accepted even by conservative English geologists like Adam Sedgwick and William Buckland; however, like Cuvier, they attributed the progression to repeated catastrophic episodes of extinction followed by new episodes of creation.
Progresivni crtež povijesti života prihvatili su čak i konzervativni engleski geolozi poput Adama Sedgwicka i Williama Bucklanda; no, poput Cuviera, napredak su pripisali ponovljenim katastrofičnim epizodama izmuiranja nakon kojih su uslijedile nove epizode stvaranja.