|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||External Literature Search||Age range and collections|
Cephalopoda - Goniatitida - Girtyoceratidae
It was assigned to Goniatitida by Sepkoski (2002); to Girtyoceratinae by Furnish et al. (2009); and to Girtyoceratidae by Korn (2006) and Korn and Titus (2015).
|Year||Name and author|
|1937||Sagittoceras Plummer and Scott p. 324|
|1999||Cowdaleoceras Korn et al. p. 348|
|2002||Girtyoceras Sepkoski, Jr.|
|2009||Girtyoceras Furnish et al. p. 44|
|2015||Girtyoceras Korn and Titus p. 87|
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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.