COLLETTE and RUSSO: SPANISH MACKERELS 



m RADIALS 



CORACOID 



POSTERIOR 

 PLATE 



CLEITHRUM 



SCAPULAR 

 FORAMEN 



ANTERODORSAL 

 SPINE 



SCAPULA 



FIGURE 43. — Left pectoral girdles in lateral view. a. Scomberomorus semifasciatus , New 

 Guinea. 510 mm FL. b. Scomberomorus sinensis, Hong Kong, 677 mm FL. c. Acanthocybium 

 solandri, Revillagigedos Is., 1,086 mm FL. d. Grammatorcynus bilineatus, Marshall Is., 424 

 mm FL. e. Scomberomorus koreanus, Indonesia, 480 mm FL, inset of scapular and interradial 

 foramina. 



visible laterally in Acanthocybium and Gramma- 

 torcynus but is concealed by the lateral shelf of 

 the cleithrum in Scomberomorus. The coracoid is 

 relatively narrower in Acanthocybium than in 

 Grammatorcynus and the species of Scombero- 

 morus. We did not find the coracoid to be signif- 

 icantly narrower in S. commerson, as reported by 

 Devaraj (1977:47). 



Scapula 



The anterior margin of the scapula connects to 

 the mesial shelf of the cleithrum (Fig. 43). This 

 attachment extends to the posterior projecting 

 plate anterodorsally The scapula is attached to 

 the coracoid posteriorly and with the first two 

 and part of the third upper radials posterodorsal- 



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