Jura-trias n. : A term applied to many American Mesozoic strata, in which the characteristics of the Jurassic and Triassic periods appear to be blended.

Example:


Taxonomy
Jura, Trias, American, Mesozoic, strata, Jurassic, Triassic periods, characteristics, Definitions, Quotes, Quote of the Day.

Defination from the web:
Jura-Trias. Jura-trias. A term applied to many American Mesozoic strata, in which the characteristics of the Jurassic and Triassic periods appear to be blended. ...