Animals
Life
Existence
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Bilateria
*** RETIRED *** Animals whose embryos are bilaterally symmetric (a.k.a., ‘bilaterians’) including all vertebrates, insects, worms, snails, starfish, sea urchins, octopus, oysters, etc.
(Taxonomic Rank: Subkingdom)
Bilateria (animals) including Ecdysozoa, Spiralia, Pterobranchia, Chordata, Xenacoelomorpha, Enteropneusta, Echinodermata, and Graptolithina. Ecdysozoa Spiralia Pterobranchia Chordata Xenacoelomorpha Enteropneusta Echinodermata Graptolithina