|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||External Literature Search||Age range and collections|
It was recombined as Callopristodus pectinatus by Traquair (1888) and Woodward (1889); it was recombined as Ageleodus pectinatus by Downs and Daeschler (2001).
|Year||Name and author|
|1838||Ctenoptychius pectinatus Agassiz p. 100|
|1838||Ctenoptychius denticulatus Agassiz p. 101|
|1867||Ageleodus diadema Owen p. 234|
|1881||Ctenoptychius pectinatus Davis p. 424|
|1888||Callopristodus pectinatus Traquair p. 85|
|1889||Callopristodus pectinatus Woodward p. 55|
|2001||Ageleodus pectinatus Downs and Daeschler p. 811|
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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.