plesiomorphic

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plesiomorphic Applied to a character state that is based on features shared by different groups of biological organisms and inherited from a common ancestor. The term is taken from the Greek plesios, ‘near’, and morphe, ‘form’, and means ‘old-featured’. The features to which it is applied were formerly called ‘primitive’. It is the opposite of apomorphic.

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plesiomorphic Applied to features that are shared by different groups of biological organisms and are inherited from a common ancestor. The term means ‘old-featured’ and the features to which it is applied were formerly called ‘primitive’.

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plesiomorphic Applied to features that are shared by different groups of biological organisms and are inherited from a common ancestor. The term means ‘old-featured’ and the features to which it is applied were formerly called ‘primitive’.

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plesiomorphic See plesiomorph.

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