A lot of people ask if there is a difference between POSSUM and OPPOSSUM or if one is just short for the other. Well....there is. The American possums are actually called opossums, with the O in front - scientific name, Didelphimorphia. In Australia they have an animal called a possum - with no O in front scientific name, Phalangeridae. Both are marsupials, but other than that, they are not really related at all. They also look very different. The Australian possum has large eyes and a cute look to it, while the American opossum has pointy teeth and a sharper look to it.
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