After McKenna & Bell, 1997

    Marmosa Gray, 1821 (“hiiriopossumit”)
        Grymaeomys Burmeister, 1854
        Asagis Gloger, 1842
        Notogogus Gloger, 1842
        Cuica Liais, 1872
        Marmosops Matschie, 1916
        Stegomarmosa Pine, 1972

    Marmosa (Stegomarmosa) Pine, 1972

        Marmosa (Stegomarmosa) andersoni (anderson's mouse opossum)

    Marmosa (Marmosa) Gray, 1821

        Marmosa (Marmosa) murina (Linnaeus, 1758) (hiiriopossumi)

        Marmosa (Marmosa) rubra (red mouse opossum)

        Marmosa (Marmosa) tyleriana (tyler's mouse opossum)

        Marmosa (Marmosa) quichua ()?

        Marmosa (Marmosa) robinsoni (robinson's mouse opossum)

        Marmosa (Marmosa) xerophila (pale mouse opossum)

        Marmosa (Marmosa) mexicana Merriam, 1897 (mexican mouse opossum)

Reference(s):