|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||Age range and collections|
Cephalopoda - Goniatitida - Nomismoceratidae
It was reranked as Anthracoceras by Sepkoski (2002), Korn (2006) and Furnish et al. (2009).
It was assigned to Nomismoceras by Frech (1899); to Goniatitida by Sepkoski (2002); and to Anthracoceratidae by Korn (2006) and Furnish et al. (2009).
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.