222 



141) Anterior margin of subopercle concave [0], or straight [1]. 



142) Posterior margin of pharyngobranchial 1 not forked [0] (Fig.72A), or forked [1] (Fig.72E). 



143) Pharyngobranchial 2+3 uncrescent [0] (Fig.72A), or crescent [1] (Fig.72B) in shape. 



144) Pharyngobranchial 4 absent [0] (Fig.74A), or present as a cartilage [1] (Fig.74E). 



145) Dorsal portion of epibranchial 1 not constricted [0] (Fig. 72 A), or constricted [1] (Fig.72E). 



146) Dorsal portion of epibranchial 2 slightly constricted [0] (Fig.72C), or well-constricted [1] 

 (Fig.72D). 



147) Ventral margin of epibranchial 2 not concave [0] (Fig.72A), or deeply concave [1] (Fig.72D). 



148) Posterior process of the forked portion of epibranchial 3 much shorter than [0] (Fig. 72 A), or 

 almost equal to [1] (Fig.72C) the anterior process of the structure in length. 



149) A process absent [0] (Fig.72A), or present [1] (Fig.72C) on the lateral side of epibranchial 3. 



150) Ventral margin of epibranchial 4 straight [0] (Fig.72D), or deeply concave [1] (Fig. 72 A). 



151) Dorsal margin of epibranchial 4 not concave [0] (Fig.72B), or deeply concave [1] (Fig.72A). 



152) Posterior margin of epibranchial 4 shallowly concave [0], or deeply concave [1]. 



153) A process absent [0] (Fig.72A), or present [1] (Fig.72B) at the lateral side of epibranchial 4. 



154) Hypobranchial 3 short [0] (Fig.73B), or elongated [1] (Fig.73A). 



155) Basibranchial 1 short bar-shaped [0] (Fig.73A) or wedge-shaped [1] (Fig.73F). 



156) Basibranchial 2 bar-shaped [0] (Fig. 73 A), or wedge-shaped [1] (Fig.73D). 



157) Basibranchial 3 similar to [0] (Fig.73B), or much longer than [1] (Fig.73A) basibranchial 2 in 

 size. 



158) A cartilage at the posterior end of basibranchial 3 very small [0] (Fig.73A), or elongated [1] 

 (Fig.73D). 



159) Posterior angle of the pharyngeal bone large [0], or small [1]. 



160) A small flat plate-like structure with two small processes absent [0], or present [1] at the po- 

 sterior edentulous process of the pharyngeal bone. 



161) Anterior edentulous process of pharyngeal bone curved [0], or straight [1]. 



162) A notch absent [0], or present [1] at the anterior limb's tip of pharyngeal bone. 



163) Pitted surface of pharyngeal bone bearing large and small pits [0] or large pits only [1]. 



164) Pharyngeal teeth on pharyngeal bone in two rows [0], or one row [1]. 



165) Transverse process 1 located at middle [0] (Fig. 75 A), or anterior portion [1] (Fig.75B) of the 

 centrum of the vertebra 1 . 



166) Transverse process of vertebra 1 long [0] (Fig.75A), or short [1] (Fig.75B). 



167) Neural arch 2 not bearing [0] (Fig.76A), or bearing [1] (Fig.76B) an ascending process. 



168) Anterior process of neural arch 3 short and broad [0] (Fig.77B), or long and narrow [1] (Fig.77A). 



169) A shallow notch absent [0] (Fig.78B), or present [1] (Fig.78A) at medial side of rib 4. 



170) Os Suspensorium narrow [0] (Fig.78C), or broad [1] (Fig.78B). 



171 ) A notch absent [0] (Fig.78B), or present [\\ (Fig.78A) at the medial edge of os Suspensorium. 



172) The space between the left and right os Suspensorium extending to the ventral margin [0] 

 (Fig.78A), or to the middle [1] (Fig.78C) of os Suspensorium. 



173) Notch at the anterior margin of neural arch 4 deep |0J, or shallow [ 1 |. 



174) Space between the neural arch 4 and neural arch 3 extending to the ventral portion [0] (Fig.76A), 

 or to the middle [1] (Fig.76B) of the anterior margin of neural arch 4. 



