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<br /> <br /> <br /> <br />Fig. 59. Selected skeletal features of Catostomus <br />discobolus juvenile, 21.8 mm SL, 25.5 mm TL. Top- <br />postcleithrum. Middle - anterior-dorsal maxillary pro- <br />jections (similar to and represented here by similar- <br />size C. platyrhynchus). Bottom - mandible position. <br /> <br /> <br /> <br /> <br />Fig. 60. Selected skeletal features of Catostomus <br />discobolus juvenile, 43.0 mm SL, 52.5 mm TL. Top- <br />postcleithrum. Middle - anterior-dorsal maxillary pro- <br />jections. Bottom - mandible position. <br /> <br />58 <br />