isospondylous Referring to fishes having vertebrae behind the skull similar in form to the rest. Contrasts with Ostariophysans which have the anterior vertebrae modified into a Weberian apparatus. 等椎的指的是有在头盖骨后面的脊椎骨与其他脊椎骨部分类似形式的鱼。差别于骨鳔总目鱼类那里有变成韦伯氏器的前面脊椎骨。