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Memoir Sears Foundation for Marine Research 



vomer (prevomer) 



mesethmoid 



prefrontal 

 (lateral ethmoid) 



frontal 

 sphenotic 

 pterotic 

 parietal 

 supraoccipital 



opisthotic 

 epiotic 

 exoccipital 

 parasphenoid 



basioccipita! 



mesethmoid 

 vomer (prevomer) 



prefrontal 

 (lateral ethmoid) 

 frontal 

 orbitosphenoid 



pterosphenoid 

 (alisphenoid) 



prootic 



sphenotic 



parasphenoid 



opisthotic 

 pterotic 

 epiotic 

 exoccipital 

 basioccipitol 



supraoccipital 



epiotic 

 exoccipital 

 pterotic 



opisthotic 

 basioccipitol 

 parasphenoid 



.frontal 



supraoccipital 



parietal 

 epiotic 



sphenotic 



prefrontal 

 ( lateral ethmoid ) 



pterotic 



-exoccipital 



■opisthotic 



^basioccipitol 



'prootic 

 '^parasphenoid 



basisphenoid 



Figure 5. Neurocranium of Pomolobus mediocris. a dorsal view; b ventral view; c posterior view; d lateral 

 view. Drawn by Margaret G. Bradbury. 



mesethmoid 



vomer (prevomer) 



orbitosphenoid 

 pterosphenoid (alisphenoid) 



