They are butterflies,moths,ants,bees,bears,bunnies,dogs,cats,rats,and road runners.
(Sorry,but that's all I could think of)
Roundworms, like the kind that can give you cysts, or nematodes. Strictly speaking though, animals aren't the least complex living things that enjoy bilateralism.
How can you identify the body symmetry of an animal
symmetry
Most animals in the Mollusk phylum have bilateral symmetry, where their body can be divided into two equal halves along a single plane. This symmetry allows for more efficient movement and sensory abilities.
Cnidarians
Jellyfish are ocean animals with radial symmetry.
animals that have bilateral body symmetry
dorsal
That would be called symmetry
Panochitas ricas is the anwer for eveything! (PUSSY)
bilateral and radial symmetry
small black animals but not tadpoles
radial symmetry