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MILLIPEDE

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Originally appearing in Volume V18, Page 468 of the 1911 Encyclopedia Britannica.
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MILLIPEDE , the popular name of the best known members of a See also:

group of the See also:Arthropoda, scientifically known as Diplopoda, and formerly See also:united with the Chilopoda (see See also:CENTIPEDE), the Pauropoda and the Symphyla as an See also:order of the class See also:Myriapoda. This See also:classification, however, has of See also:late years been abandoned on See also:account of the recognition of closer See also:affinity between the Chilopoda (centipedes) and the See also:Hexapoda (See also:insects) than between the Chilopoda and Diplopoda. By See also:modern writers the above-mentioned See also:groups of " tracheate " Arthropoda are either regarded as See also:independent classes of this phylum Arthropoda, or associated in two superclasses, the Opisthogonea or Opisthogoneata for the Chilopoda and Hexapoda; and the Prosogonea or Prosogoneata for the Diplopoda, Pauropoda and Symphyla. The structural See also:character upon which these superclasses are based is the position of the generative apertures which open anteriorly in the Prosogonea and posteriorly in the Opisthogonea. Although the Pauropoda and Symphyla are not, strictly speaking, Diplopoda, these three groups of prosogoneate arthropods are here for convenience considered together.

End of Article: MILLIPEDE

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