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1988 |
New ideas in ungulate phylogeny and evolution.
Trends in Ecology & Evolution 3(11): 291-297. 3 tabs. 2 figs. + cover illus. Nov. 1988.
–Accepts the monophyly of the Tethytheria, and suggests that they all were primitively semi-aquatic, the proboscideans being "secondarily terrestrial" (292-295).
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