APPENDICULATA  , a zoological name introduced by E .

Ray Lankester (preface to the English edition of C . Gegenbaur's Comparative Anatomy), and employed by the same writer in the 9th edition of this encyclopaedia (article "Zoology") to denote the eighth phylum, or major division, of coelomate animals . The animals thus associated, the Rotifera, Chaetopoda and Arthropods, are composed of a larger or smaller number of hollow rings, each ring possessing typically a pair of hollow lateral appendages, moved by intrinsic muscles and penetrated by blood-spaces .