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  1. By: Szalay, Frederick S.
    Publication info: New York, N.Y American Museum of Natural History [1969]
    Holding Institution: American Museum of Natural History Library
    Subjects: China  Eocene  Hapalodectinae  Inner Mongolia  Mammals, Fossil  Mesonychidae  Paleontology  Phylogeny  West (U.S.)
  2. By: Geisler, Jonathan H.
    Publication info: New York, NY American Museum of Natural History c2001
    Holding Institution: American Museum of Natural History Library
    Subjects: Artiodactyla  Artiodactyla, Fossil  Cetacea  Cetacea, Fossil  Evolution  Mesonychidae  Morhology  Morphology  Phylogeny