Occurring 40 to 55 million years ago
Crossword Clue

  • We have found 9 answers to crossword clue "Occurring 40 to 55 million years ago"
  • The Best Answer: 10/10
AnswerCrossword Clue
EOCENEOccurring 40 to 55 million years ago
eocenenoting or pertaining to an epoch of the Tertiary Period, occurring from 55 to 40 million years ago and characterized by the advent of the modern mammalian orders
miocenenoting or pertaining to an epoch of the Tertiary Period, occurring from 25 to 10 million years ago, when grazing mammals became widespread
permiannoting or pertaining to a period of the Paleozoic Era occurring from about 280 to 230 million years ago and characterized by a profusion of amphibian species
mesozoicnoting or pertaining to an era occurring between 230 and 65 million years ago, characterized by the appearance of flowering plants and by the appearance and extinction of dinosaurs
siluriannoting or pertaining to a period of the Paleozoic Era, occurring from 425 to 405 million years ago, notable for the advent of air-breathing animals and terrestrial plants
jurassicnoting or pertaining to a period of the Mesozoic Epoch, occurring from 190 to 140 million years ago and characterized by an abundance of dinosaurs and the advent of birds and mammals
pliocenenoting or pertaining to an epoch of the Tertiary Period, occurring from 10 to 2 million years ago, and characterized by increased size and numbers of mammals, by the growth of mountains, and by global climatic cooling
paleogenenoting or pertaining to the earlier part of the Cenozoic Era, in the system adopted by some geologists, occurring from 65 to 25 million years ago and including the Oligocene, Eocene, and Paleocene epochs: corresponds to the earlier part of the Tertiary Pe