triassic
22Middle Triassic — System Series Stage Age (Ma) Jurassic Lower Hettangian younger Triassic Upper …
23Early Triassic — The Early Triassic (also known as Lower Triassic, Buntsandstein, or Scythian) is the first of three epochs of the Triassic period. It spans the time between 251 ± 0.4 Ma and 245 ± 1.5 Ma (million years ago). The Permian Triassic extinction event… …
24Late Triassic — The Late Triassic (also known as Upper Triassic, or Keuper) is the third and final of three epochs of the Triassic period. It spans the time between 228 ± 2 Ma and 199.6 ± 0.6 Ma (million years ago). The Late Triassic is divided into the Carnian …
25Jura-triassic — Jura trias Ju ra tri as, n. (Geol.) A term applied to many American Mesozoic strata, in which the characteristics of the Jurassic and Triassic periods appear to be blended. {Ju ra tri*as sic}, a. [1913 Webster] …
26post-Triassic — adj. * * * …
27post-Triassic — post Tri•as′sic adj …
28jura-triassic — | ̷ ̷ ̷ ̷| ̷ ̷| ̷ ̷ ̷ ̷ adjective Usage: usually capitalized J&T : of or relating to the Jura Trias …
29post-Triassic — adj …
30Permo - Triassic — …