Caenolestoidea
plural noun
Cae·no·les·toi·dea
Definition of Caenolestoidea
: a superfamily of diprotodont marsupials comprising the opossum rats and extinct related forms
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Merriam-Webster unabridged
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Time Traveler for Caenolestoidea
The first known use of Caenolestoidea was in 1910
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