"Animalia" . . . . . . . . . . "Aceramarca Gracile Opossum" . "Gracilinanus aceramarcae" . "Gracilinanus" . "Gracilinanus aceramarcae (Tate 1931)" . "Mammalia" . "Didelphimorphia" . "Chordata" . . "Didelphidae" . "(Tate 1931)" . . . . . .