Do Bony Fish Have A Notochord?
Do Bony Fish Have A Notochord? Among vertebrates, while the notochord is retained by the adults of the lower vertebrates of class Agnatha (hagfish and lampreys), in higher vertebrates (cartilaginous fish, bony fish, reptiles, amphibians, birds, mammals) it is replaced by the vertebral column. … What animals have Notochords? Acipenseriformes (paddlefish and sturgeon) Lancelet (Amphioxus)