8 ( 7) Second macroplacoid shorter than third Hypsibius appelloefi 



8 (7) Second macroplacoid as long as or longer than third Hypsibius geddesi 



9 [6) More than four claws (usually 5-11) on each leg; distinct 



dorsal cutieular plates absent Echiniscoides sigismundi 



9 {6) Four claws or less per leg 



10 



