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Evolutionary taxonomy
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Evolutionary taxonomy, evolutionary systematics or Darwinian classification is a branch of biological classification that seeks to classify organisms using a combination of phylogenetic relationship,
Evolution of the vertebrates at class level, width of spindles indicating number of families. Spindle diagrams are often used in evolutionary taxonomy
Evolution of the vertebrates at class level, width of spindles indicating number of families. Spindle diagrams are often used in evolutionary taxonomy.
Philosophie zoologique
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Philosophie zoologique is an 1809 book by the French naturalist Jean-Baptiste Lamarck, in which he outlines his pre-Darwinian theory of evolution, part of which is now known as Lamarckism.
Title page of first edition, 1809
Title page of first edition, 1809
Lamarck by Charles Thévenin (c. 1802)
Lamarck by Charles Thévenin (c. 1802)
Lamarck used the blind mole rat (Spalax) as an example of the loss of function through disuse. The animal's tiny eyes are completely covered by a laye
Lamarck used the blind mole rat (Spalax) as an example of the loss of function through disuse. The animal's tiny eyes are completely covered by a layer of skin.