The order contains a single family , Monstrillidae ; the family Thaumatopsyllidae was formerly included in the order , but is now usually placed in the Cyclopoida .
Monstrilloida is an order of copepods with a cosmopolitan distribution in the world 's oceans .
The order contains a single family , order ; the family Thaumatopsyllidae was formerly included in the order , but is now usually placed in the Cyclopoida .
Monstrilloida is an order of copepods with a cosmopolitan distribution in the world 's oceans .