xviii SCHEME OF CLASSIFICATION 



Orders. 



TARDIGRADA 



pp. -."18, 477). 

 PENTASTOMIDA 

 (pp. 258, 488). 



PYCNOGONIDA = PODOSOMATA = PANTOPODA (p. 501). 



Families. 



Decolopodidae (p. 531). 

 Colossendeidae = Pasithoidae (p. 532). 

 Eurycididae = Ascorhynchidae (p. 533). 

 Ainmotheidae (p. 534). 

 Rhynchothoracidae (p. 535) 

 Nymphonidae (p. 536). 

 Pullenidae (p. 587). 

 Phoxichilidiidae (p. 538). 

 Phoxichilidae (p. 539). 

 Pycnogonidae (p. 539). 



