資料來源 : pyDict
毛足類
資料來源 : Webster's Revised Unabridged Dictionary (1913)
Annelida \An*nel"i*da\, n. pl. [NL. See {Annelid}.] (Zo["o]l.)
A division of the Articulata, having the body formed of
numerous rings or annular segments, and without jointed legs.
The principal subdivisions are the {Ch[ae]topoda}, including
the {Oligoch[ae]ta} or earthworms and {Polych[ae]ta} or
marine worms; and the {Hirudinea} or leeches. See
{Ch[ae]topoda}.
Chaetopoda \Ch[ae]*top"o*da\, n. pl. [NL., from Gr. ? hair +
-poda.] (Zo["o]l.)
A very extensive order of Annelida, characterized by the
presence of lateral set[ae], or spines, on most or all of the
segments. They are divided into two principal groups:
{Oligoch[ae]ta}, including the earthworms and allied forms,
and {Polych[ae]ta}, including most of the marine species.