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Topic: Gnathostomata


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  Gnathostomata - Wikipedia, the free encyclopedia
Gnathostomata is the group of vertebrates with jaws.
The group is traditionally a superclass, including the familiar classes of fish, birds, and so forth, and a sister group of the jawless vertebrates Agnatha.
However, recent genetic studies are causing a reassessment of Gnathostomata as a grouping.
en.wikipedia.org /wiki/Gnathostomata   (198 words)

  
 [No title]
However, lampreys share with jawed vertebrates, or Gnathostomata, a large number of morphological and physiological characteristics that occur neither in hagfishes, nor in non-craniate chordates (cephalochordates and tunicates).
Heterostraci) were thought to be the sister-group of the Cephalaspidomorphi and Gnathostomata, or of the Gnathostomata alone.
In the Gnathostomata, however, testes are linked with the kidneys and sperm pass through the excretory ducts.
ag.arizona.edu /ENTO/tree/eukaryotes/animals/chordata/!!Craniata.nex   (2627 words)

  
 Palaeos Vertebrates 50.800 Thelodonti: Loganiidae
Phylogeny: Thelodonti::: Gnathostomata + *: Loganellia + Shielia.
In gnathostomes, the duct or pouch forms a thin buccohypophysial canal in the palate, while the nasal sacs open separately to the exterior by external nares.
Links: Gnathostomata (Tree of Life); Gnathostomata; Phylogeny of Gnathostomata; Gnathostomata; Bio-DiTRL; Kiefertiere; GNATHOSTOMATA; Phylogeny of Gnathostomata; Gnathostomata; Gnathostomata; Phylogenetic Studies of Complete Mitochondrial DNA Molecules...
www.palaeos.com /Vertebrates/Units/050Thelodonti/050.800.html   (1379 words)

  
 superclass gnathostomata - OneLook Dictionary Search
We found 4 dictionaries with English definitions that include the word superclass gnathostomata:
Tip: Click on the first link on a line below to go directly to a page where "superclass gnathostomata" is defined.
superclass gnathostomata : WordNet 1.7 Vocabulary Helper [home, info]
www.onelook.com /?w=superclass+gnathostomata   (88 words)

  
 Gnathostomata
The remaining classes are often placed in the superclass Gnathostomata, vertebrates with jaws.
Among the superclass Gnathostomata, class Chondrichthyes (Gr: chondrus=cartilage; ichthys=fish) (C and V fig.
The following list introduces some of the major orders (this is for your own information - you needn't learn these groups):
online.sfsu.edu /~biol240/labs/lab_21chordatediversity/pages/gnathos.html   (434 words)

  
 Gnathostomata - English-French Dictionary - WordReference.com
We found no French translation for 'Gnathostomata' in our English to French Dictionary.
Look for a definition in our English Dictionary.
Forum discussions with the word(s) 'Gnathostomata' in the title:
www.wordreference.com /enfr/Gnathostomata   (41 words)

  
 MavicaNET - Gnathostomula (Gnathostomata)   (Site not responding. Last check: 2007-11-07)
Katalog / Natur / Liv / Djur / Gnathostomula (Gnathostomata)
Katalog / Kultur / Vetenskap / Life Science / Organism Biology / Zoology / Invertebrate Zoology / Gnathostomula (Gnathostomata)
Katalog / Kultur / Vetenskap / Life Science / Organism Biology / Zoology / Taxonomy: Animalia [Metazoa] / Animals Types / Gnathostomula (Gnathostomata)
www.mavicanet.com /lite/swe/7203.html?sortby=6   (69 words)

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