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phylum: Definition from Answers.com
Biology . A primary division of a kingdom, as of the animal kingdom, ranking next
above a class in ... A large division of possibly genetically related families of
languages or linguistic stocks. .... Gnathostomulida, Jaw orifice, Jaw worms, 100
approx. ... Micrognathozoa, Tiny jaw animals, —, Accordion like extensible thorax
, 1 ...
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vertebrate: Definition from Answers.com
Any animal of the chordate subphylum Vertebrata, which includes the fishes, ....
Jawed vertebrates are typified by paired appendages (fins or legs, which may be
.... animals are not typically divided into ranks, but illustrated as a nested "family
.... bugs: their biology and identification (Hemiptera-Heteroptera, Gerromorpha ...
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Hagfish - Information from Answers.com
They are the only living animals that have a skull but not a vertebral column. ... An
alternative scheme proposed that jawed-vertebrates are more closely related ....
is the only member of the hagfish family that has a seasonal reproductive cycle. ...
This position is supported by recent molecular biology analyses which tend to ...
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chordate: Definition from Answers.com
Any of numerous animals belonging to the phylum Chordata, having at some
stage of development a dorsal nerve cord, a notochord, and gill. ... Attempts to
produce evolutionary "family trees" give results that differ from .... Infraphylum
Gnathostomata (jawed vertebrates) ... Vertebrate Palaeontology: Biology and
Evolution.
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onychophoran: Definition from Answers.com
Any of numerous wormlike carnivorous animals of the phylum Onychophora, ...
They use their jaws to open captured prey (often small insects) and suck out the
juices. ... The two extant families of velvet worms are Peripatidae and
Peripatopsidae. ...... skin-shedding mechanism (ecdysis) and molecular
biological similarities.
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Limnognathia - Information from Answers.com
Class: Micrognathozoa. Order: Limnognathida. Family: Limnognathiidae. Genus:
Limnognathia. Species: L. maerski. Binomial name. Limnognathia maerski ...
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Annelid - Information from Answers.com
Since annelids are soft-bodied, their fossils are rare – mostly jaws and the
mineralized tubes that some of the species secreted. Although some late
Ediacaran ...
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