Hettangian

（重定向自Hettangian Stage）

Ammonit Alsatites proaries
:Privatsammlung Reiter

The Hettangian is the earliest age or lowest stage of the Jurassic period of the geologic timescale. It spans the time between 201.3 ± 0.2 Ma and 199.3 ± 0.3 Ma (million years ago). The Hettangian follows the Rhaetian (part of the Triassic period) and is followed by the Sinemurian.

单词	Hettangian Stage
释义	Hettangian Stage 英语百科 Hettangian （重定向自Hettangian Stage） The Hettangian is the earliest age or lowest stage of the Jurassic period of the geologic timescale. It spans the time between 201.3 ± 0.2 Ma and 199.3 ± 0.3 Ma (million years ago). The Hettangian follows the Rhaetian (part of the Triassic period) and is followed by the Sinemurian.
随便看	disturbance of personality consciousness disturbance of postlumbar joint disturbance of public worship disturbance of pulmonary circulation disturbance of pyramidal pathway disturbance of rate and rhythm of the heart in childhood disturbance of remembrance Disturbance of salivary secretion Disturbance of self awareness or self consciorsness disturbance of sensation Disturbance of sensorial synthesis disturbance of sensory radiation disturbance of sex psychology disturbance of sleep and arousal disturbance of sleeping Disturbance of space perception disturbance of speech disturbance of sphincter disturbance of sulphur bearing aminoacid metabolism Disturbance of taste Disturbance of temperature regulation of newborn disturbance of tenure Disturbance of the peace disturbance of the piumb line disturbance of thinking