| 词条 | Oecotraustes |
| 释义 |
|fossil_range = {{fossil range|Bajocian|Callovian|ref=[1]}} |regnum = Animalia |phylum = Mollusca |classis = Cephalopoda |subclassis = Ammonoidea |ordo = |familia = Oppeliidae |genus = Oecotraustes }}Oecotraustes is an extinct cephalopod genus included in the ammonid family Oppeliidae and named by Waagen{{who|date=March 2015}} in 1869. The genus lived during the Middle Jurassic.[1] DescriptionThe 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.{{citation needed|date=March 2015}} DistributionFossils of Oecotraustes species have been found in Jurassic sediments of Germany, India, Madagascar, Spain, and the United States.[2] References1. ^1 {{cite web |last=Sepkoski |first=Jack |title=Sepkoski's Online Genus Database |year=2002 |url=http://strata.geology.wisc.edu/jack/showgenera.php?taxon=231&rank=class |accessdate= 2014-05-28 }} 2. ^{{cite web | title= Fossilworks.org - Oecotraustes |url= http://fossilworks.org/bridge.pl?a=taxonInfo&taxon_no=15277 |accessdate= 2014-05-28}}
3 : Jurassic ammonites|Ammonites of Europe|Ammonites of North America |
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