Hettangian

Meaning

Proper Noun

  • The earliest age of the Jurassic period, from 199.3–201.3Ma
  • The corresponding lowest stage of the Jurassic system, marked by the lowest strata in which the neoammonite genus Psiloceras (genus) appears.

Origin

  • From French Hettange, now Hettange-Grande, a commune in northeastern France, (German Hettingen, Luxembourgish (Lorraine Franconian) Hetténgen)

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