Schlotheimia

Schlotheimia
Temporal range: Jurassic, 201.6–189.6 Ma

[1]

Schlotheimia depressa from Germany
Scientific classification
Kingdom: Animalia
Phylum: Mollusca
Class: Cephalopoda
Subclass: Ammonoidea
Order: Ammonitida
Superfamily: Psilocerataceae
Family: Schlotheimiidae
Genus: Schlotheimia
Bayle 1878
Synonyms
  • Anguliferites Lange 1951
  • Scamnoceras Lange 1924

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]

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

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