After Luo, 1991, Gheerbrant, Sudre, Iarochene & Moumni, 2001, and Alroy, 2002-,

<==o †Loxolophidae [Arctocyonidae: Loxolophinae]
   |?-o †Baioconodon [paraphyletic?]
   |  |-- †B. cannoni
   |  |-- †B. wovokae
   |  |-- †B. middletoni
   |  |?- †B. harbichti
   |  |-- †B. engdahli
   |  `-- †B. jeffersoni J.J. Eberle, 2003
   |--+-- †Baioconodon denverensis
   |  `-- †Oxyclaenus antiquus(Simpson, 1936b)
   |--+-- †Baioconodon nordicum (Van Valen, 1978) [Ragnarok nordicum Van Valen, 1978]
   |  `--+-- †Platymastus palantir
   |     `-- †Aletodon mellon
   |--o †Loxolophus
   |  |-- †L. criswelli
   |  |-- †L. hyattianus
   |  |-- †L. kimbetovius
   |  |-- †L. priscus
   |  |-- †L. schizophrenus
   |  `-- †L. stenognathus
   |-- †Mimotricentes
   `-- †Deuterogonodon

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