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Topic: Vertebrata


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In the News (Mon 9 Nov 09)

  
  Vertebrata
The Vertebrata, or vertebrates, is a very diverse group, ranging from lampreys to Man. It includes all craniates, except hagfishes, and are characterized chiefly by a vertebral column, hence their name.
The Vertebrata have all the characteristics of the Craniata but share, in addition, a number of unique characteristics which do not occur in hagfishes (Hyperotreti).
In the latter case there would be no reason to distinguish the Vertebrata from the Craniata, as it was formerly done.
tolweb.org /tree?group=Vertebrata&contgroup=Craniata   (1895 words)

  
  Vertebrata - LoveToKnow 1911
VERTEBRATA, a large branch of the animal kingdom, of which the characteristic members are mammals, birds, reptiles, batrachians, fish and cyclostomes, the craniate vertebrates of modern zoology.
In some creatures, such as sturgeons and lampreys, the position of the jointed vertebral column is occupied by an unjointed rod, the so-called notochord, whilst all the Vertebrata pass through an embryonic stage in which a similar elastic unjointed notochord exists as the precursor of the jointed column.
They differ from the Cephalochordata in the extreme cephalization of the anterior segments of the body, including the formation of an enlarged brain with paired sense organs, the nose, eyes and auditory apparatus, and the formation of a cranium, and in the structure of the skeleton, heart, liver and organs of excretion and reproduction.
www.1911encyclopedia.org /Vertebrata   (3842 words)

  
 Maf1p
Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Mammalia; Eutheria; Primates; Catarrhini; Hominidae; Homo
Eukaryota ; Metazoa ; Chordata ; Craniata ; Vertebrata ; Euteleostomi ; Mammalia ; Eutheria ; Cetartiodactyla ; Ruminantia ; Pecora ; Bovoidea ; Bovidae ; Bovinae ; Bos
Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi; Actinopterygii; Chondrostei; Acipenseriformes; Acipenseridae; Acipenserinae; Acipenser; Acipenser oxyrinchus
www.hmc.psu.edu /labs/ahopper/DRS/Proteins/Maf1p/Maf1tab.html   (214 words)

  
 Highbeam Encyclopedia - Search Results for Vertebrata
Vertebrata (kingdom Metazoa, phylum Chordata) The subphylum which includes the fish, Amphibia, Reptilia, Aves, and Mammalia.
Agnatha (Marsipobranchii; phylum Chordata, subphylum Vertebrata) A superclass of jawless, fish-like vertebrates that have sucker-like mouths and lack paired fins.
An animal with a spinal column or backbone, belonging to the subphylum Vertebrata, characterized by a relatively well-developed brain, including fish, amphibians, reptiles, birds, and mammals in the phylum Chordata.
www.encyclopedia.com /SearchResults.aspx?Q=Vertebrata&StartAt=1   (878 words)

  
 Search Results for "Vertebrata"   (Site not responding. Last check: )
All vertebrates belong to the subphylum Vertebrata of the phylum Chordata.
His many published works include The Vertebrata of the Tertiary Formations of the West (1883), a report on the F....
It is classified in the phylum Chordata, subphylum Vertebrata, class Mammalia....
www.bartleby.com /cgi-bin/texis/webinator/sitesearch?FILTER=col65&query=Vertebrata&x=11&y=11   (221 words)

  
 Vertebrata@Everything2.com   (Site not responding. Last check: )
Vertebrata receive their name from the vertebral column they all share--a spinal cord made up of seperate bones or pieces of cartilage.
The Vertebrata always have a dorsal, or neural, cavity above the notochord or backbone, and a ventral, or visceral, cavity below it.
The subdivisions or classes of Vertebrata are Mammalia, Aves, Reptilia, Amphibia, Pisces, Marsipobranchia, and Leptocardia.
www.everything2.com /index.pl?node=Vertebrata   (288 words)

  
 VERTEBRATA - Online Information article about VERTEBRATA
classification; to him is due the division of the animal kingdom into Vertebrata, which included all the craniate vertebrates, and Invertebrata, which included all other animals.
term Vertebrata, which was anatomically misleading, by the new term Chordata, as the latter term laid stress on the existence of the notochord as the fundamental See also:
general characters of the Chordata or Vertebrata Craniata, and to consider the views that have been advanced with regard to the origin of vertebrates.
encyclopedia.jrank.org /VAN_VIR/VERTEBRATA.html   (5384 words)

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