Recherches sur les ossemens fossiles de quadrupèdes t. 1

195. Comparative Anatomy This 4-volume work marked a great advance over the classification of animals devised by Linnaeus. Cuvier's research showed that animals needed to be grouped in four separate groups (vertebrates, molusks, articulates, and radiates) based on their structure. This marked a change from the belief in a linear hierarchy of animals leading up to humans. 
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195. Comparative Anatomy

This 4-volume work marked a great advance over the classification of animals devised by Linnaeus. Cuvier's research showed that animals needed to be grouped in four separate groups (vertebrates, molusks, articulates, and radiates) based on their structure. This marked a change from the belief in a linear hierarchy of animals leading up to humans. 

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