The tripartite neural plate border is a common trait of vertebrates and tunicates

The neural crest and neurogenic placodes, which arise from the neural plate border, give rise to morphological characteristics that distinguish vertebrates from invertebrates (Gans & Northcutt, 1983).

The neural crest and neurogenic placodes, which arise from the neural plate border, give rise to morphological characteristics that distinguish vertebrates from invertebrates (Gans & Northcutt, 1983). Recent studies have suggested that embryos of ascidians, a group of tunicates…