|Figure 1. A portion of Louis Agassiz's 1844 "genealogy of the class of fishes," reproduced from Patterson's 1977 paper on teleostean phylogeny. The figure shows the geological (historical) distribution of various types of fishes. "Agassiz's example shows clearly," Patterson writes (1977:580), "that belief in evolution is not necessary for the production of such diagrams: the information contained in these diagrams is therefore not necessarily concerned with evolution or phylogeny."|
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