Systematics or Phylogenetics
The family Nimravidae has been subject to much discussion regarding its place in the phylogenetic tree of Carnivora. Nimravidae was originally thought to be closely related to Felidae because of its physical similarities to extant cats. It has since been shown to be more closely related to Aeluroidea, the superfamily holding cats, hyenas, and many other extinct genera. Primarily because of its cat-like traits, Nimravidae's taxonomy has been highly contested. Its genera and species have been condensed and switched from subfamily to subfamily, clouding the classification of many specimens (Bryant 1991). This has led to many attempts to restructure the taxonomic classification of Feliformia. The most widely accepted one, by Bryant (1991), is the one used here. Hoplophoneus specifically is one of the most well documented and studied of the Nimravidae genera, and even it has had taxonomic troubles.
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