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CladogramUNGULATOMORPHA |--CETARTIODACTYLA `--Altungulata |--Hilalia `--+--+--Perissodactyla | `--Tubulidentata `--Paenungulata |--Hyracoidea `--+--Sirenia `--Proboscidea |
Contents530.000 Overview |
Arnason, U, A Gulberg & A Janke (1998), Molecular timing of primate divergences as estimated by two nonprimate calibration points. J. Mol. Evol. 47:718–727 Hippomorpha.
Maas, MC, JGM Thewissen, S Sen, N Kazanci & J Kappelman (2001), Enigmatic new ungulates from the Early Middle Eocene central Anatolia, Turkey. J. Vert. Paleontol. 21: 578-590. Hilalia.
Norman, JE & MV Ashley (2000), Phylogenetics of Perissodactyla and tests of the molecular clock. J. Mol. Evol. 50: 11-21 Hippomorpha.
Shoshani, J & MC McKenna (1998), Higher taxonomic relationships among extant mammals based on morphology, with selected comparisons of results from molecular data. Mol. Phylog. & Evol. 9: 572-584. Altungulata
Thewissen, JGM, EM Williams, LJ Roe & ST Hussain (2001), Skeletons of terrestrial cetaceans and the relationship of whales to artiodactyls. Nature 413: 277-281. Sirenia.
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