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
Giant earthworm The Giant earthworm is a name often given to a variety of large invertebrates in the class "Clitellata", many being from the family "Megascolecidae". It may refer to: