Class Mammalia Linnaeus, 1758 - mammals Count: 29o;11f;21g; ‡1f Subclass Theria Parker & Haswell, 1897 Count: 28o;9f;21g; ‡1f Order Didelphimorphia Gill, 1872 Count: [*] 1f;17g;87s;65ss Family Didelphidae Gray, 1821 - American opossums Count: [*] 17g;87s;65ss Subfamily Didelphinae Gray, 1821 Count: [*] 14g;82s;49ss Genus Hyladelphys Voss, Lunde & Simmons, 2001 [monotypic] Count: [*] 1s 1 Hyladelphys kalinowskii (Hershkovitz, 1992) - Kalinowski's mouse opossum Count: -