Which structures are found in all early vertebrate embryos?

Which structures are found in all early vertebrate embryos?

The structure found in all early vertebrate embryo is germ layers which are made up of ectoderm, mesoderm and endoderm

All vertebrate embryos have gill arches, notochords, spinal cords, and prenephrotic kidneys. Less general characteristics are developed from the more general, until finally the most specialised appear. Still developing vertebrates have the same type of skin.