. Die Descendenztheorie; . Fig. 70. Lepidosiren paradox a. *) Louis Dollo, Sur la phylogenie des Dipneustes. Bulletin de la Societe belg. de Geologie. Tom IX. 1895. 2) S. Mollier, Die paarigen Extremitaten der Wirbeltiere. Anatom. Hefte. I. Abt. 8. Bd. 1. Heft. 1897.

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