3° 



ELOPIFORM FISHES 



5 mm 



pmx 



a pa 



smx 1-2 



ecp art s y 



lop 



ao. sc 



io 5 



i o. s. c 



Fig. 12. Davichthys dubius (Davis). Above, cranium in left lateral view. 

 Below, circumorbital bones. Restoration based on several specimens. 



which probably represents a rudimentary ectopterygoid process and the ectoptery- 

 goid, endopterygoid and dermopalatine bear many tiny teeth. The autopalatine 

 is weakly ossified and the anterior end is produced in a simple rounded knob. 



The upper jaw is like that of other elopids. The premaxilla is narrow compared 

 to that bone in Elops and the maxilla, which is deeper than that of Elops, bears an 

 ill-defined palatine process. This small palatine process is more like the bony 

 nubbin seen in Anaethalion than the well-developed process in Elops. There are 

 two supramaxillae, the posterior of which bears a prominent strengthening ridge as 

 in Anaethalion. The dentition of the upper jaw consists of a band of tiny pointed 

 teeth on both the maxilla and premaxilla. 



The mandible is similar to that of other elopids in being shallow throughout with 

 a small coronoid process situated posteriorly and in having the mandibular sensory 



