Bilateria facts for kids

Kids Encyclopedia Facts
Bilateria
Temporal range: Ediacaran – Recent
A terrestrial flatworm (Terricola) from
the Sulawesi rainforest in Indonesia.
Scientific classification
Kingdom: Animalia
Subkingdom: Eumetazoa
(unranked): Bilateria
Hatschek, 1888

The Bilateria are animals which are bilaterally symmetrical. They have front and a back end, an upside and downside, and a left and right side. Most animals are bilateral.

Main subgroups

Numbers are approximate; extinct species numbers cannot be known for most phyla.

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Bilateria Facts for Kids. Kiddle Encyclopedia.