> Eudora
> Our Universe
> Galaxies
> Individual Galaxies
> Milky Way
> Spiral Arms of the Milky Way
> Orion–Cygnus Arm
> Individual Planetary & Star Systems in the Orion-Cygnus Arm
> Solar System
> Objects in the Solar System
> Planets of the Solar System
> Individual Planets in the Solar System
> Earth
> Chronology of Earth
> History of the Earth
> Evolution of Life
> Tree of Life on Earth
> Domains, Species Kingdoms etc.
> Node
> Eukaryota
> Unikonta
> Opisthokonta
> Holozoa
> Filozoa
> Node
> Animalia (syn. Metazoa)
> Eumetazoa
> Bilateria
> Nephrozoa
> Deuterostomia
> Node
Cephalochordata
Node. Chordate. This article is about the animal phylum.
For the leaf shape, see Cordate. The phylum Hemichordata including the acorn worms has been presented as a fourth chordate subphylum, but it now is usually treated as a separate phylum.
