Definition of "subphyla" []

• Plural form of subphylum. (noun)

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• "In the two other subphyla of the chordates, Cephalochordata and Urochordata, the notochord is either maintained in the adult (Cephalochordata such as Lancelets) or present in the larval form and lost during metamorphosis into the adult form (Urochordata such as Tunicates)."
• "The book also uses the archaic term "Coelenterata" as a phylum comprising the subphyla Cnidaria (jellyfish and anemones) and Ctenophora (sea gooseberries)."
• "THE CHORDATES The Phylum Chordata is divided into four subphyla, of which three are represented today by primitive creatures that are not very successful in the scheme of life."