^ Artery 



Mouth 



Spiracle 



Afferent bronchia 

 Ventral aorta 



Conus arteriosus 

 Heart ' 



Common cardina 

 (duct of Cuvier) 



Pectoral fin 

 Stomach 



Cloaca 



Cloacal opening 

 Accessory urinary duct 



Caudal artery 



Caudal vein 



Clasper 



Pelvic fin 



Cranium 

 Brain 



Gill slit 



Pharynx 



Efferent 



branchial 



Esophagus 



Subclavian 



'Anterior cardinal 



Testis 



Coeliac 



Centrum of 



vertebra 



Notochord 

 Dorsal aorta 



Vas deferens 



and urinary 



duct 



Posterior 

 cardinal 



Anterior 

 mesenteric 



Spleen 



Posterior 

 mesenteric 



Rectal gland 



Mac 

 Renal portal 



Kidney 



Muscle 



Centrum 



Nerve (spinal) cord 

 Notochord 



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