Which type of large intestine worm was primarily studied by Ivan Mackerie?
Mongolian death worm The Mongolian death worm (Mongolian: олгой-хорхой , olgoi-khorkhoi, "large intestine worm") is a creature
Indus worm The skōlex (Indus Worm or the horrible Indian worm), in ancient Greek writings, was a supposed giant, white, carnivorous worm with a large pair of teeth that lived in the Indus River.