opossum rat

(redirected from Rattus marmosurus)
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Noun1.opossum rat - terrestrial marsupials of southern South America that resemble shrews
marsupial, pouched mammal - mammals of which the females have a pouch (the marsupium) containing the teats where the young are fed and carried
Caenolestes, genus Caenolestes - type genus of the family Caenolestidae
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