After Prothero & Schoch, 1989
<==o Tapiroidea sensu Prothero & Schoch, 1989 (tapiirinsukuiset kavioeläimet) |?- †Hyrachyus asiaticus |?- †Jhagirilophus chorgalensis Thewissen, Williams & Hussain, 2001 |?- †Triplopus kalakotensis |?- †Fouchia elyensis |-- †Helaletes nanus (Marsh, 1871a) Marsh, 1872 [Helaletes boops Marsh, 1872; Veragromovia, Chasmotheroides] [Helaletidae Osborn, 1892, in Wortman & Osborn, 1892] |?-+-- †Desmatotherium intermedius (Osborn, Scott & Spier, 1878) Scott, 1883 [Helaletes intermedius Osborn, Scott & Spier, 1878; Desmatotherium guyotii Scott, 1883] | `--+-- †Selenaletes scopaeus Radinsky, 1966a | `--o †Dilophodon Scott, 1883 [Heteraletes] | |-- †D. minusculus Scott, 1883 | |-- †D. leotanus (Peterson) | `?- cf. †D. destitutus Zonneveld & Gunnell, 2003 |?- †Haagella `--+--o †Colodon Marsh, 1890 | |?- †?C. cingulatus | |-- †C. kayi | |-- †C. woodi | `-- †C. occidentalis (Leidy, 1868) [C. luxatus Marsh, 1890] `--+-- †Plesiocolopirus hancocki (Radinsky, 1963) Schoch, 1989b, in Prothero & Schoch, 1989 [Colodon? hancocki Radinsky, 1963] `-- Tapiridae Burnett, 1830 (tapiirit)
Note:
Primitive tapiroids are often placed in the family Helaletidae Osborn, 1892, which is, according to Prothero & Schoch, 1989, a paraphyletic assemblage. Thus, it is not used here.
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 - Froelich, D. J., 1999: Phylogenetic systematics of basal perissodactyls.
–Journal of Vertebrate Paleontology: Vol. 19, #1, pp. 140 - 159 - Hooker, J. J., 1989: Character polarities in early perissodactyls and their significance for Hyracotherium and infraordinal relationships. 79-101.
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 - McKenna, M. C. & Bell, S. K., (eds.) 1997: Classification of mammals – above the species level.
–Columbia University Press, New York, 1997, xii-631 - Prothero, D. R. & Schoch, R. M. 1989: Classification of the Perissodactyla. 530-537.
in Prothero, D. R. & Schoch, R. M., (eds.) 1989: The evolution of perissodactyls.
–Oxford University Press., New York. 1989, ix-537 - Schoch, R. M., 1989: A brief historical review of Perissodactyl classification. 13-23.
in Prothero, D. R. & Schoch, R. M., (eds.) 1989: The Evolution of Perissodactyls.
–Oxford University Press, New York, 1989, ix-537 - 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 - Thewissen, J. G. M., Williams, E. M. & Hussain, S. T., 2001: Eocene mammals faunas from Northern Indo-Pakistan.
–Journal of Vertebrate Paleontology: Vol. 21, #2, pp. 347-366 - Zonneveld, J.-P. & Gunnell, G. F., 2003: A new species of cf. Dilophodon (Mammalia; Perissodactyla) from the early Bridgerian of southwestern Wyoming.
–Journal of Vertebrate Paleontology: Vol. 23, #3, pp. 652-658