|
|
Definition of Parazoa
1. Noun. Multicellular organisms having less-specialized cells than in the Metazoa; comprises the single phylum Porifera.
Group relationships: Animal Kingdom, Animalia, Kingdom Animalia
Member holonyms: Phylum Porifera, Porifera
Generic synonyms: Subkingdom
Definition of Parazoa
1. Proper noun. a taxonomic subkingdom, within kingdom Animalia - the sponges ¹
¹ Source: wiktionary.com
Definition of Parazoa
1. parazoon [n] - See also: parazoon
Medical Definition of Parazoa
1. A subkingdom that includes the sponges (phylum Porifera), considered by many zoologists to be intermediate between the subkingdoms Protozoa and Metazoa. (05 Mar 2000)
Lexicographical Neighbors of Parazoa
Literary usage of Parazoa
Below you will find example usage of this term as found in modern and/or classical literature:
1. A Treatise on Zoology by Edwin Ray Lankester (1900)
"STERILITY OF THE BRANCH Parazoa.—The Parazoa have apparently not given rise to
any very great advance or complication of structure. ..."
2. The Encyclopedia Britannica: A Dictionary of Arts, Sciences, Literature and by Hugh Chisholm (1911)
"The Metazoa form two main branches; one, Parazoa, is but a small unproductive
stock comprising only the Phylum ..."
3. The Zoological Record ...: Being Records of Zoological Literature by Zoological Society of London (1901)
"... (2) that they after which they have evolved in a different direction, their
germ-layers pp. 158-161. Sponges regarded as Parazoa, one of the two primary ..."
4. Science by American Association for the Advancement of Science (1900)
"He inclines to the view of an early separation of the sponges, as the Parazoa,
from the remaining Metazoa and maintains the non-identity of the germ layers ..."
5. The Cambridge Natural History by Arthur Everett Shipley, Sidney Frederic Harmer (1906)
"... Museum,1 from twenty fathoms off the island Negropont, is two metres high and
two metres wide. The genus appears to I* related anatomically to Parazoa. ..."
Other Resources:
