107 



Fig. 67: Lateral view of the 

 Suspensorium of Phoxinus. A: 

 P. tennesseensis (UT 44.5274, 

 50.0 mm SL); B: P. erythro- 

 gaster (KU 5773, 51.5 mm 

 SL); C: P. phoxinus (CNUC 

 uncat., 76.0 mm TL); D: P. 

 eos (KU 12255, 43.0 mm 

 SL). The arrow shows notch 

 of the metapterygoid; scale 

 bars = 1 mm. 



berlandensis, the anterior portion of the basihyal is bar-shaped, the posterior portion is 

 plate-like with a fork at its lateral margin (TS 121 [1]). In other species of Phoxinus -and 

 in the outgroups, the bone does not bear the fork (TS 121 [0]). 



Suspensorium 



The lower jaw is suspended to the neucranium via the Suspensorium. Bones included in 

 the Suspensorium are entopterygoid, ectopterygoid, autopalatine, quadrate, symplectic, 

 metapterygoid, and hyomandibula. All are paired bones. Among them, the autopalatine, 



