An order of annelids the Polychaeligta
- An order of annelids; the Polych/ta.
(letter. pl.) An order of annelids; the Polych/ta.
ARTHROPODA, a name, denoting the possession by certain animals of jointed limbs, now applied to one of the three sub-phyla into which one of the great phyla (or primary branches) of coelomocoelous animals - the Appendiculata - is divided; the other two being respectively the Chaetopoda and the Rotifera.