dibranchiate
1. order of extinct dibranchiate cephalopods related to the surviving spirulas
已灭绝的二鳃目头足类动物目,与现存的旋壳乌贼相关
2. order of extinct dibranchiate cephalopods related to the surviving spirulas.
已灭绝的二鳃目头足类动物目,与现存的旋壳乌贼相关。