After McKenna & Bell, 1997, and McKenna, Wyss & Flynn, 2006
<==o Phyllophaga Owen, 1842 (sloths; laiskiaiset) [Synonyms] |?- †Diellipsodon Berg, 1899 [Elipsodon Roth, 1898] |?- †Amphiocnus Kraglievich, 1922 |?- †Rathymotherium Ameghino, 1904 [Rathymotheriidae Ameghino, 1904] `--+--o †Mylodonta McKenna & Bell, 1997 | |--o †Orophodontoidea Ameghino, 1895 [Orophodontidae Ameghino, 1895; Orophodontoidea Kraglievich & Rivas,1951; Paragravigrades Hoffstetter, 1954] | | `-- †Orophodontidae Ameghino, 1895 [Synonyms] | `--o †Mylodontoidea Gill, 1872 [Mylodontinae Gill, 1872; Mylodontidae Gill, 1872 sensu McDonald & Perea, 2002] | |?- †Pseudoprepotherium Hoffstetter, 1961 | |-- †Scelidotheriidae Ameghino, 1889 [Scelidotheridae Ameghino, 1889; incl. Nematheridae Mercerat, 1891] | `-- †Mylodontidae Gill, 1872 [Mylodontinae Gill, 1872; Mylodontidae Ameghino, 1889] `--+--o †Pseudoglyptodon Engelmann, 1987 | |-- †P. sp. [Glyptatelus tatusinus Ameghino, 1897 (in partim); Glyptatelus fractus Ameghino, 1902 (in partim)] | |-- †P. sallaensis Engelmann, 1987 | `-- †P. chilensis McKenna, Wyss & Flynn, 2006 `--o Tardigrada Latham & Davies, 1795 sensu McKenna, Wyss & Flynn, 2006 [Megatheria McKenna & Bell, 1997] (laiskiaiset) |--o Bradypodoidea Gray, 1821 [Bradypidae Gray, 1821; Bradypodoidea Simpson, 1931] | `--o Bradypodidae Gray, 1821 [Synonyms] | `--o Bradypus Linnaeus, 1758 [Synonyms] (kolmivarvaslaiskiaiset) | |-- (Scaeopus) torquatus (harjalaiskiainen) | `--o (Bradypus) Linnaeus, 1758 | |-- B. (B.) variegatus (ruskeakaulalaiskiainen) | `-- B. (B.) tridactylus (kolmivarvaslaiskiainen) `--o Megatheroidea Gray, 1821 [Synonyms] |-- †Megatheriidae Gray, 1821 (jättiläislaiskiaiset) [Synonyms] `--+-- †Nothrotheriidae Ameghino, 1920 sensu de Muizon, McDonald, Salas & Urbina, 2004 (nothrotheres) [synonyms] `-- Megalonychidae Gervais, P., 1855 (kaksivarvaslaiskiaiset) [synonyms]
After Gaudin, 2004
<==o Phyllophaga
|-- Bradypus
`--+--+-- †Octomylodon
| `--+-- †Nematherium
| `--+--+-- †Catonyx
| | `-- †Scelidotherium
| `--+-- †Pseudoprepotherium
| `--+-- †Octodontotherium
| `--+-- †Mylodon
| `--+-- †Paramylodon
| `--+-- †Pleurolestodon
| `--+-- †Glossotherium
| `--+-- †Lestodon
| `-- †Thinobatistes
`--+-- †Pelecyodon
|-- †Schismotherium
`--+--+-- †Hapalops
| `--+-- †Analcimorphus
| `--+--+-- †Planops
| | `--+-- †Eremotherium
| | `-- †Megatherium
| `--+-- †Pronothrotherium
| `--+-- †Nothropus
| `--+-- †Nothrotheriops
| `-- †Nothrotherium
`--+-- †Eucholoeops
`--+-- †Megalonyx
`--+-- †Pliometanastes
`--+-- †Pliomorphus
`--+--+-- †Neocnus
| `-- Choloepus
`--+-- †Acratocnus
`--+-- †Parocnus
`-- †Megalocnus
|
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. - Engelmann, G. F., 1987: A new deseadan sloth (Mammalia: Xenarthra) from Salla, Bolivia, and its implications for the primitive condition of the dentition in edentates.
–Journal of Vertebrate Paleontology: Vol. 7, #2, pp. 217-223 - Gaudin, T. J., 2004: Phylogenetic relationships among sloths (Mammalia, Xenarthra, Tardigrada): the craniodental evidence.
–Zoological Journal of the Linnean Society: Vol. 140, #2, pp. 255-305 [doi: 10.1111/j.1096-3642.2003.00100.x] - Gaudin, T. J., 1995: The ear region of Edentates and the phylogeny of the Tardigrada (Mammalia, Xenarthra).
–Journal of Vertebrate Paleontology: Vol. 15, #3, pp. 672-705 - McKenna, M. C. & Bell, S. K., (eds.) 1997: Classification of mammals – above the species level.
–Columbia University Press, New York, 1997, xii-631 - McKenna, M. C., Wyss, A. R. & Flynn, J. J., 2006: Paleogene pseudoglyptodont xenarthrans from central Chile and Argentine Patagonia.
–American Museum Novitates: #3536, pp. 1-18