After McKenna & Bell, 1997
<==o †Palaechthonidae |--o †Plesiolestes Jepsen, 1930 [incl.? Torrejonia Gazin, 1968] [Plesiolestinae] | |-- †P. nacimienti Wilson & Szalay, 1972 [=? Palaechthon nacimienti] | |-- †P. problematics Jepsen, 1930 | |-- †P. wilsoni Gazin, 1968 [Torrejonia wilsoni Gazin, 1968) | `-- †P. sirokyi (Szalay, 1973) [Torrejonia sirokyi Szalay, 1973) `--o †Palaechthoninae |--o †Palaechthon Gidley, 1923 [Talpohenach Kay & Cartmill, 1977] | |-- †P. alticuspis Gidley, 1923 | |-- †P. torrejonius (Kay & Cartmill 1977) [Talpohenach torrejonius Kay & Cartmill 1977] | `-- †P. woodi Gazin ,1971 `--+-- †Premnoides douglassi Gunnell, 1989 `--+-- †Anasazia williamsoni Van Valen, 1994 `?-o †Palenochtha Simpson 1935 |-- †P. minor Gidley, 1923 `-- †P. weissae Rigby, 1980
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