|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||Age range and collections|
Cephalopoda - Goniatitida - Marathonitidae
It was assigned to Goniatitida by Sepkoski (2002); to Marathonitinae by Leonova (1989), Bogoslovskaya (1990) and Korn (2006); and to Marathonitidae by Furnish et al. (2009) and Zhou (2017).
|Year||Name and author|
|1989||Aksuites Leonova p. 146|
|1989||Cardiella Leonova p. 149|
|1990||Aksuites Bogoslovskaya p. 72|
|1990||Cardiella Bogoslovskaya p. 72|
|2002||Cardiella Sepkoski, Jr.|
|2009||Cardiella Furnish et al. p. 160|
|2017||Cardiella Zhou p. 68|
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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.