After Métais, Soe, Marivaux & Beard, 2007, and Theodor, Erfurt & Métais, 2007
<==o †Leptochoeridae Marsh, 1894 [Dichobunidae: Leptochoerinae] |-- †Gujaratia [paraphyletic Diacodexeidae] `--+-- †Diacodexis [paraphyletic Diacodexeidae] |-- †Helohyidae `--o Leptochoeridae Marsh, 1894 sensu stricto? |?- †“Diacodexis” woltonensis Krishtalka & Stucky, 1985 |--+-- †Laredochoerus edwardsi Westgate, 1994 | `--o †Leptochoerus Leidy, 1856 [incl. Laopithecus Marsh, 1875] | |-- †L. spectabilis Leidy, 1856 | |-- †L. elegans (Macdonald, 1955) | |-- †L. supremus (Macdonald, 1955) | |-- †L. emilyae Edwards, 1976 | `-- †L. sp. `--+-- †Ibarus ignotus Storer, 1984 `--o †Stibarus Cope, 1873 [incl. Menotherium Cope, 1873; Nanochoerus MacDonald, 1955] |-- †S. obtusilobus Cope, 1873 |-- †S. quadricuspis (Hatcher, 1901) |-- ?†S. montanus Matthew, 1903 `-- †S. yoderensis Macdonald, 1955
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. - Gazin, C. L., 1976: Mammalian faunal zones of the Bridger Middle Eocene.
–Smithsonian Contributions to Paleobiology: No. 26, pp. iv-25 - McKenna, M. C. & Bell, S. K., (eds.) 1997: Classification of mammals – above the species level.
–Columbia University Press, New York, 1997, xii-631 - Métais, G., Soe, U. A. N., Marivaux, L. & Beard, K. C., 2007: Artiodactyls from the Pondaung Formation (Myanmar): new data and reevaluation of the South Asian Faunal Province during the Middle Eocene.
–Naturwissenschaften: Vol. 94, pp. 759-768 [doi: 10.1007/s00114-007-0256-9] - Theodor, J. M., Erfurt, J. & Métais, G., 2007: The earliest artiodactyls – Diacodexeidae, Dichobunidae, Homacodontidae, Leptochoeridae, Raoellidae. 32-58.
in Prothero, D. R. & Foss, S. E., (eds.) 2007: The evolution of artiodactyls.
–The Johns Hopkins University Press, Baltimore, 2007, xii-367 - 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 - Westgate, J. W., 1994: A new leptochoerid from Middle Eocene (Uintan) deposits of the Texas coastal plain.
–Journal of Vertebrate Paleontology: Vol. 14, #2, pp. 296-299