opilionea

1 definition found

opilionea - Collaborative International Dictionary of English v.0.48 :

  Phalangoidea \Phal`an*goi"de*a\, n. pl. [NL., from Phalangium
     the daddy longlegs (see Phalangious) + Gr. e'i^dos form.]
     (Zool.)
     A division of Arachnoidea, including the daddy longlegs or
     harvestman (Phalangium) and many similar kinds. They have
     long, slender, many-jointed legs; usually a rounded,
     segmented abdomen; and chelate jaws. They breathe by
     trache[ae]. Called also {Phalangides}, {Phalangidea},
     {Phalangiida}, and {Opilionea}.
     [1913 Webster]