After Carroll, 1988 and McKenna & Bell, 1997
<==o †Litopterna Ameghino, 1889 |?- †Eoauchenia |?- †Megamys [Megalomys] |-- †Miguelsoria `--+--o †Asmithwoodwardia | `-- †A. scotti Paula Couto,1952 |-- †Protolipterna ellipsodontoides Cifelli, 1983 [Protolipteridae] `--+-- †Proterotheriidae Ameghino, 1887 [Proterotheroidea] `--o †Macrauchenioidea |-- †Notonychops [Notonychopidae] |-- †Adianthidae `-- †Macraucheniidae
Reference(s):
- Carroll, R. L., 1988: Vertebrate paleontology and evolution.
–W. H. Freeman and company, New York, 1988, 698. - Carroll, R. L., 1988: Appendix. 594-648.
in Carroll, R. L., 1988: Vertebrate paleontology and evolution.
–W. H. Freeman and company, New York, 1988, 698. - McKenna, M. C. & Bell, S. K., (eds.) 1997: Classification of mammals – above the species level.
–Columbia University Press, New York, 1997, xii-631 - de Muizon, C. and Cifelli, R. L., 2000: The "condylarths" (archaic Ungulata, Mammalia) from the early Palaeocene of Tiupampa (Bolivia): implications on the origin of the South American ungulates.
–Geodiversitas: Vol. 22, #1, pp. 47-150