|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||Age range and collections|
Cephalopoda - Goniatitida - Girtyoceratidae
It was reranked as Eumorphoceras (Sulcogirtyoceras) by Ruzhentsev and Bogoslovskaya (1971).
It was assigned to Eumorphoceras by Ruzhentsev and Bogoslovskaya (1971); to Goniatitida by Sepkoski (2002); to Girtyoceratidae by Korn (2006); and to Girtyoceratinae by Furnish et al. (2009).
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