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Genealogical tree of animals

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Genealogical tree of animals.jpg The ArchæopteryxThumbnailsThe walking-fish or mud-skipper (Periophthalmus)The ArchæopteryxThumbnailsThe walking-fish or mud-skipper (Periophthalmus)The ArchæopteryxThumbnailsThe walking-fish or mud-skipper (Periophthalmus)The ArchæopteryxThumbnailsThe walking-fish or mud-skipper (Periophthalmus)The ArchæopteryxThumbnailsThe walking-fish or mud-skipper (Periophthalmus)The ArchæopteryxThumbnailsThe walking-fish or mud-skipper (Periophthalmus)The ArchæopteryxThumbnailsThe walking-fish or mud-skipper (Periophthalmus)

Showing in order of evolution the general relations of the chief classes into which the world of living things is divided. This scheme represents the present stage of our knowledge, but is admittedly provisional.