For females, there have a remarkable difference in the oviduct and oviducal gland among Ommastrephids, Myopsids, Sepioids and octopods.

• 分析认为，雌性个体的输卵管和缠卵腺在柔鱼类、枪乌贼类、乌贼类和蛸类间存在明显差别；