|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||Age range and collections|
Cephalopoda - Ammonitida - Hildoceratidae
It was reranked as Ammonites (Harpoceras) by Denckmann (1887).
It was assigned to Ammonites by Denckmann (1887); to Hildoceratidae by Guex (1973); to Ammonoidea by Sepkoski (2002); and to Harpoceratinae by Arthur et al. (1993), Stevens (2007) and Howarth (2013).
|Year||Name and author|
|1887||Ammonites (Harpoceras) Denckmann|
|1973||Harpoceras Guex p. 500|
|1993||Harpoceras Arthur et al. p. 29|
|2001||Gallitellia Venturi and Ferri|
|2002||Glyptarpites Sepkoski, Jr.|
|2002||Harpoceras Sepkoski, Jr.|
|2002||Harpoceratoides Sepkoski, Jr.|
|2002||Phaularpites Sepkoski, Jr.|
|2006||Harpoceras (Maconiceras) Bécaud p. 65|
|2007||Harpoceras Stevens p. 377|
|2013||Harpoceras Howarth p. 74|
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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.