Definition of Hettangian. Meaning of Hettangian. Synonyms of Hettangian

- The Hettangian is the earliest age and lowest stage of the Jur****ic Period of the geologic timescale. It spans the time between 201.3 ± 0.2 Ma and 199...
- Early Jur****ic, but also including part of the preceding Rhaetian. The Hettangian Stage was named by Swiss palaeontologist Eugène Renevier in 1864 after...
- Sinemurian is preceded by the Hettangian and is followed by the Pliensbachian. In Europe the Sinemurian age, together with the Hettangian age, saw the deposition...
- chronostratigraphy). It was preceded by the Norian and succeeded by the Hettangian (the lowermost stage or earliest age of the Jur****ic). The base of the...
- meaning 'lizard') is a genus of ichthyosaurs from the Early Jur****ic (Hettangian - Pliensbachian) of Europe (Belgium, England, Germany and Portugal). Some...
- Early Jur****ic (late Hettangian/early Sinemurian) of England (Blue Lias) D. dorsalis (Ag****iz, 1836) - Early Jur****ic (Hettangian/Pliensbachian) of England...
- Portland Formation, Northeastern United States, which was deposited from the Hettangian age into the Sinemurian age, between about 200 and 192 million years ago...
- be as old as the Norian stage of the Late Tri****ic and as young as the Hettangian stage of the Early Jur****ic). Two genera are known: Agrosaurus and Thecodontosaurus;...
- "dragon thief") is a genus of coelophysoid dinosaur that lived during the Hettangian stage of the Early Jur****ic Period of what is now Wales dated at 201.3...
- Belemnitida. These cephalopods existed in the Early Jur****ic period from the Hettangian age (196.5–199.6 mya) to the Toarcian age (175.6–183.0). They were fast-moving...