What is the only venomous mammal in the world?

There is more than one venomous mammal in the world. Male platypuses have a poisonous spur (claw) on each of their back legs. The slow loris is the only primate to be venomous. It has a poisonous bite. Several species of shrews (tiny mouse-like creatures) have poisonous bites. The solendon looks like a shrew but has a long nose. The solendon has a poisonous bite.