POTTHOFF ET AL.: DEVELOPMENT OF SCOMBROID FISHES 



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Figure 13.— Schematic representation of vertebral column, dorsal and anal fin, pterygiophore, 

 and hypural development in Thunnus atlanticus, Thunnini, Scombridae. Cartilage, white; ossify- 

 ing, stippled. Scale represents interneural and interhaemal space number and vertebra number. 



671 



