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Articulata    
有关节类; 关节海百合亚纲

有关节类; 关节海百合亚纲

Articulata \Ar*tic`u*la"ta\ ([aum]r*t[i^]k`[-u]*l[=a]"t[.a]), n.
pl. [Neut. pl. from L. articulatus furnished with joints,
distinct, p. p. of articulare. See {Article}, v.] (Zool.)
1. One of the four subkingdoms in the classification of
Cuvier. It has been much modified by later writers.
[1913 Webster]

Note: It includes those Invertebrata having the body composed
of a series of ringlike segments (arthromeres). By some
writers, the unsegmented worms (helminths) have also
been included; by others it is restricted to the
Arthropoda. It corresponds nearly with the Annulosa of
some authors. The chief subdivisions are Arthropoda
(Insects, Myriapoda, Malacopoda, Arachnida,
Pycnogonida, Crustacea); and Anarthropoda, including
the Annelida and allied forms.
[1913 Webster]

2. One of the subdivisions of the Brachiopoda, including
those that have the shells united by a hinge.
[1913 Webster]

3. A subdivision of the Crinoidea.
[1913 Webster]


Encrinoidea \En`cri*noid"e*a\, n. pl. [NL. See {Encrinus} and
{-oid}.] (Zo["o]l.)
That order of the Crinoidea which includes most of the living
and many fossil forms, having jointed arms around the margin
of the oral disk; -- also called {Brachiata} and
{Articulata}. See Illusts. under {Comatula} and {Crinoidea}.
[1913 Webster]


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