Myriapoda
多足纲
多足纲
Myriapoda n 1 :
arthropods having the body composed of numerous double somites each with two pairs of legs :
millipedes [
synonym :
{
Diplopoda }, {
class Diplopoda }, {
Myriapoda }, {
class Myriapoda }]
Myriapoda \
Myr `
i *
ap "
o *
da \,
n .
pl . [
NL .,
fr .
Gr . ?
numberless -
poda .] (
Zool .)
A class ,
or subclass ,
of arthropods ,
related to the hexapod insects ,
from which they differ in having the body made up of numerous similar segments ,
nearly all of which bear true jointed legs .
They have one pair of antennae ,
three pairs of mouth organs ,
and numerous tracheae ,
similar to those of true insects .
The larvae ,
when first hatched ,
often have but three pairs of legs .
See {
Centiped }, {
Galleyworm }, {
Milliped }.
[
1913 Webster ]
Note :
The existing Myriapoda are divided into three orders :
{
Chilopoda }, {
Chilognatha }
or {
Diplopoda },
and {
Pauropoda } (
see these words in the Vocabulary ).
Large fossil species (
very different from any living forms )
are found in the Carboniferous formation .
[
1913 Webster ]
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