''Oecotraustes'' is an
extinct cephalopod
genus
Genus ( plural genera ) is a taxonomic rank used in the biological classification of living and fossil organisms as well as viruses. In the hierarchy of biological classification, genus comes above species and below family. In binomial nom ...
included in the
ammonid family
Oppeliidae
Oppeliidae are compressed to oxyconic, sculptured Haploceratoidea, either unkeeled, unicarinate, bicarinate, or tricarinate; with sutures in great variety, but ribbing usually more or less falcoid or falcate. The Oppeliidae is the principal famil ...
and named by Waagen in 1869. The genus lived during the
Middle Jurassic.
Description
The shell of ''Oecotraustes'' is evolute, the outer whorl only moderately embracing the inner whorls, laterally compressed whorl height greater than width. Outer flanks and venter ribbed, ribs sinuous.
Distribution
Fossils of ''Oecotraustes'' species have been found in Jurassic sediments of Germany, India, Madagascar, Spain, and the United States.
References
*W.J. Arkell ''et al.'', 1957. Mesozoic Ammonoidea; Treatise on Invertebrate Paleontology, Part L, Ammonoidea. Geological Society of America.
Jurassic ammonites
Ammonites of Europe
Ammonites of North America
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