Original paper

The zone of Schlotheimia marmorea (Lower Lias) Hettangian or Sinemurian?

Bloos, Gert

Newsletters on Stratigraphy Volume 12 Number 3 (1983), p. 123 - 131

22 references

published: Nov 21, 1983

DOI: 10.1127/nos/12/1983/123

BibTeX file

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The zone of Schlotheimia marmorea in the Lower Lias of the Tethyan Province must be regarded as Hettangian. References which seem to suggest Sinemurian are based on ammonites of which either the determination is wrong (or at least doubtful) or the Sinemurian age is questionable. In Southwest Germany - belonging to the Northwest European Province in which both stages were defined - Schlotheimia marmorea itself and associated forms of the marmorea Zone are clearly restricted to the Hettangian.


Schlotheimia marmoreaTethyan ProvinceammonitesLower Lias