After McKenna & Bell, 1997 and Gunnell, 1998
<==o †Mechaeroidinae sensu Gunnell, 1998 [Hyaenodontidae: Limnocyoninae: Mechaeroidini sensu McKenna & Bell, 1997] |-- †Apataelurus kayi Scott, 1938 `--o †Machaeroides Watthew, 1909b |-- †M. eothen Matthew, 1909b `-- †M. simpsoni
Reference(s):
- Gunnell, G. F., 1998: Creodonta. 91-109.
in Janis, C. M., Scott, K. M. & Jacobs, L. L., (eds.) 1998: Evolution of Tertiary mammals of North America.
–Cambridge University Press, New York, 1998, - McKenna, M. C. & Bell, S. K., (eds.) 1997: Classification of mammals – above the species level.
–Columbia University Press, New York, 1997, xii-631