35億年前 クリオジェニア紀 8～6億年前 確認されている最初の大量絶滅 時期の特定はされていない。 The last common ancestor of living which includes and is estimated to have lived around 190 million years ago during the Early Jurassic, with the major divergences between modern squamate lineages estimated to have occurred during the Early to Middle Jurassic.
Tse, Tze-Kei; Pittman, Michael; Chang, Mee-mann 2015-03-26.
The Middle-Late Jurassic saw the first appearance of neosauropod groups, including and.
The Aalenian was defined by Swiss geologist in 1864.
Insects and arachnids [ ] , an extinct from the Late Jurassic of China There appears to have been no major extinction of insects at the Triassic—Jurassic boundary.
Corso, Jacopo Dal; Bernardi, Massimo; Sun, Yadong; Song, Haijun; Seyfullah, Leyla J.