After Schoch, 1989, Albright III, 1998 and Spassov & Ginsburg, 1999
<==o Tapiridae Burnett, 1830 (tapiirit)
|--o †Nexuotapirus Albright, 1998 ["Nexuotapirinae"]
| |-- †N. marslandensis (Schoch & Prins, in Schoch, 1984) sensu Albright, 1998 [Miotapirus marslandensis Schoch & Prins, in Schoch, 1984; ?Miotapirus harrisonensis Schlaikjer, 1937 sensu McDonald, 1970]
| `-- †N. robustus (Sinclair, 1901) sensu Albright, 1998 [Protapirus robustus Sinclair, 1901]
`--o "Tapirinae"
|?- †Plesiocolopirus hancocki (Radinsky, 1963) Schoch, 1989b, in Prothero & Schoch, 1989 [Colodon? hancocki Radinsky, 1963]
|--o †Protapirus Filhol, 1877
| |?- †P. bavaricus (Oettingen-Spielberg, 1952)
| |-- †P. simplex [incl. P. validus Hatcher, 1896]
| |-- †P. obliquidens Wortman & Earle, 1893
| `-- †P. priscus (Filhol, 1874) Filhol, 1877
|-- †Eotapirus broennimani (Schaub & Hürzeler, 1948)
|-- †Palaeotapirus Filhol, 1888
|-- †Paratapirus intermedius (Filhol, 1885) Depéret, 1902
|-- †Tapiravus validus (Marsh, 1871b) Marsh, 1877
|-- †Megatapirus Matthew & Granger, 1923a
|?- †Miotapirus harrisonensis Schlaikjer, 1937
`--o Tapirus Brünnich, 1772 (nyky-tapiirit) [Synonyms]
|?- †T. roulini
|?-+-- †T. priscus (Kaup, 1833)
| |-- †T. balkanicus Spassov & Ginsburg, 1999
| |-- †T. jeanpiveteaui Boeuf, 1991
| `-- †T. arvernensis
|?- †T. antiquus Kaup, 1833
|?- †T. telleri Hofmann, 1893
|?-o (Meyeriscus) Spassov & Ginsburg, 1999
| |-- †T. (M.) hungaricus H.V. Meyer, 1867
| `-- †T. (M.) pannonicus (Kretzoi, 1951) [Tapiriscus pannonicus Kretzoi, 1951]
|-- T. (Tapirella) bairdii (bairdintapiiri)
|-- T. (Acrocodia) indicus (intiantapiiri)
`--o (Tapirus) Brünnich, 1772 (amerikantapiirit)
|-- †T. (T.) haysii
|-- †T. (T.) merriami
|-- †T. (T.) californicus
|-- †T. (T.) veroensis
|-- T. (T.) terrestris (Linnaeus, 1758) Brünnich, 1772 (amerikantapiiri)
`-- T. (T.) pinchaque (vuoritapiiri)
Reference(s):
- Albright III, L. B., 1998: New genus of tapir (Mammalia: Tapiridae) from the Arikareean (Earliest Miocene) of the Texas Coastal Plain.
–Journal of Vertebrate Paleontology: Vol. 18, #1, pp. 200-217
- 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
- Nowak, R. M., 1991: Walker's Mammals of the World; Part 1.
–The Johns Hopkins University Press, Baltimore and London, 1991, xlviii-642-lxiii
- Nowak, R. M., 1991: Walker's mammals of the World; Part 2.
–The Johns Hopkins University Press, Baltimore and London, 1991, xii-643-1629
- Prothero, D. R. & Schoch, R. M. 1989: Classification of the Perissodactyla. 530-537.
in Prothero, D. R. & Schoch, R. M. 1989: The evolution of perissodactyls.
–Oxford University Press., New York. 1989.
- Schoch, R. M., 1989: A review of the tapiroids. 298-320.
in Prothero, D. R. & Schoch, R. M., (eds.) 1989: The evolution of perissodactyls.
–Oxford University Press, New York, New York & Oxford, England, 1989, ix-537
- Spassov, N. & Ginsburg, L., 1999: Tapirus balkanicus nov. sp., nouveau tapir (Perissodactyla, Mammalia) du Turolien de Bulgarie.
[Tapirus balkaricus nov. sp., a new Tapiridae (Perissodactyla, Mammalia), from the Turolian of Bulgaria.].
–Annales de Paléontologie: Vol. 85, #4, pp. 265-276