Word Study
    morphophyly
CIDE DICTIONARY
morphophyly, n. [Gr. morfh` form +  a clan.]. 
                                            
                                         The tribal history of forms; that part of phylogeny which treats of the tribal history of forms, in distinction from the tribal history of functions.                                         Haeckel.                                         [1913 Webster]                                                                                                                    
                                                                                    
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