Mammalian phylogeny: comparison of morphological and molecular results.
Molec. Biol. Evol. 3(3): 222-242. 8 tabs. 4 figs. May 1986.
–Presents alternative cladograms and extensive lists of character transformations. Considers the Sirenia and Desmostylia to be sister groups within more or less traditional versions of the "Paenungulata".
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