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n. (context taxonomy English) A taxonomic category below phylum and above class

  1. n. (biology) a taxonomic group ranking between a phylum and a class

  2. [also: subphyla (pl)]


In zoological nomenclature, a subphylum is a taxonomic rank below the rank of phylum.

The taxonomic rank of ' subdivision' in fungi and plant taxonomy is equivalent to 'subphylum' in zoological taxonomy.

Usage examples of "subphylum".

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.

In passing from the primitive chordates, such as amphioxus, into the vertebrate subphylum, one passes from an unspecialized nerve cord to one in which the anterior end has developed into the brain.

It would be a brilliant forgery, done in a nonbiological medium, of a living creature, subphylum Vertebrata, class Mammalia, order Primates, viviparous, bipedal, and having a bicameral brain—.

Through the portals streamed more foes of various forms and descriptions, including a six-begged diplodocus, the Loch Ness Monster, King Kong, Godzilla, the Creature from the Black Lagoon, the Beast with 1,000,000 Eyes, the Brain from Planet Arous, three different subphyla of giant insects, the Thing, It, She, Them, and the Blob.

These structures are the vertebrae, and for this reason the subphylum is called Vertebrata (vur'tih-bray'tuh) and its members commonly referred to as the vertebrates.