

Chordata
Deuterostomia
Ecdysozoa
Mollusca
Bilateria
Lophotrochozoa
Plathelminthes
Xenacoelomorpha
This phylogenetic tree is a “table of contents” for the nervous systems of the animal groups included in this atlas. Click the name of a taxon in the tree to read its description and learn about the characteristics of its nervous system.
© Laboratory of Evolutionary Morphology (Zoological Institute RAS), IDB RAS, SPBU