Bilateria

Bilaterians; Temporal range: Ediacaran–Present, 560–0 Ma PreЄ Є O S D C P T J K Pg N
	Diversity o bilaterians.
Scientific classification
Kinrick:	Animalia
Subkinrick:	Eumetazoa
Clade:	ParaHoxozoa
Clade:	Bilateria; Hatschek, 1888
Phyla
	Proarticulata †; Xenacoelomorpha; Nephrozoa: Superphylum Deuterostomia Chordata; Saccorhytida †; Ambulacraria (unranked) Hemichordata; Echinodermata; Cambroernida †; ; ; Protostomia (unranked) Superphylum Ecdysozoa Cycloneuralia (unranked) Scalidophora (unranked) Kinorhyncha; Loricifera; Priapulida; ; Nematoida (unranked) Nematoda; Nematomorpha; ; ; Panarthropoda (unranked) Arthropoda; ; Onychophora; Tactopoda Tardigrada; ; ; ; Spiralia (unranked) Chaetognatha; Mesozoa (unranked) Monoblastozoa; ; Superphylum Platyzoa Acanthocephala; Cycliophora; Gastrotricha; Gnathostomulida; Micrognathozoa; Platyhelminthes; Rotifera; ; Superphylum Lophotrochozoa Annelida; Brachiopoda; Bryozoa; Dicyemida; Entoprocta; Hyolitha †; Mollusca; Nemertea; Orthonectida; Phoronida; ; ; ; ;
Synonyms
	Triploblasts Lankester, 1873

The bilateria /ˌbaɪləˈtɪəriə/ are aw animals havin a bilateral symmetry, i.e. thay hae a front anda back end, as well as an upside an dounside.