The comparison of vertebral column and appendicular skeleton for bagrid catfishes from Jialing River reveals that in the family Bagridae the compound vertebra is formed by the anterior 6 vertebrae.

• 对嘉陵江科鱼类脊柱及附肢骨骼的比较表明，复台椎骨由前6权脊椎骨愈合而成。