COLLETTE and CHAO: SYSTEMATICS AND MORPHOLOGY OF THE BONITOS (SARDINI) 



PREURAL 1 & URAL 



PU4 PU3 PU2 



NEURAL SPINES 



HYPURAL 5 



HYPURALS 1-4 



EPURAL 1 & 2 



HAEMAL SPINES 



PARHYPURAL 



URONEURAL 



PARHYPURAPOPHYSIS 





f 



Figure 56. -Left lateral view of caudal complex of six species of Sardini. a. Cybiosarda elegans. Western Australia, 422 mm FL. b. 



Orcynopsis unicolar, Tunisia, 573 mm FL. c. Sarda chiliensis, Callao, Peru, 571 mm FL. d. Sarda sarda, Tunisia, 504 mm FL (with 

 anomalous fusion of the two epurals). e. Gymnosarda unicolor, Amirante Islands, 713 mm FL. f . Allothunnusfallai, California, 680 mm 

 FL. a is drawn twice as large as b, e, and f , and c and d are 1.5 times as large as b, e, and f . 



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