Schlotheimia

Schlotheimia is a genus of extinct cephalopods belonging to the subclass Ammonoidea that lived during the Hettangian stage at the beginning of the Early Jurassic.[2]

Schlotheimia
Temporal range: Jurassic, 201.6โ€“189.6 Ma [1]
Schlotheimia depressa from Germany
Scientific classification
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Schlotheimia

Bayle, 1878
Synonyms
  • Anguliferites Lange, 1951
  • Scamnoceras Lange, 1924

Description

The shell, or conch, of Schlotheimia rather evolute, coiled with all whorls exposed and only slightly embracing. The umbilicus is perforate as with more finely ribbed Angulaticeras. whorls are compressed, bearing ribs that cross the venter in chevrons, less developed in Sulciferites

Distribution

Fossils of Schlotheimia species have been found in Lower Jurassic rocks of Argentina, Austria, Belgium, Canada, France, Germany, Indonesia, Italy, Luxembourg, Switzerland, United Kingdom, United States.[1]

References

Further reading

  • W. J. Arkell et al., 1957. Mesozoic Ammonoidea, Treatise on Invertebrate Paleontology, Part L, Mollusca 4. Geological Society of America and University of Kansas Press.


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