👉 Notobranchae, also known as notobranchids or notobranchs, are a group of animals that do not belong to the class of brachii (branching) animals. These animals lack the six arms and the four pairs of legs typically found in brachii animals, making them among the most primitive members of their class. Notobranchae can be divided into two main groups: the notobranchid clade and the notob
