|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||Age range and collections|
Cephalopoda - Ammonitida - Oppeliidae
It was reranked as Oecotraustes by Arkell et al. (1957), Sepkoski (2002) and Majidifard (2015).
It was assigned to Ammonitida by Parona and Bonarelli (1895); to Oppelia by Waagen (1869) and Besnosov and Mitta (1993); to Ammonoidea by Sepkoski (2002); and to Oppeliinae by Arkell et al. (1957) and Majidifard (2015).
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If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.