Taxonomy: | Eukaryota | Opisthokonta | Metazoa | Eumetazoa | Bilateria | Deuterostomia | Chordata | Craniata | Vertebrata | Gnathostomata | Teleostomi | Euteleostomi | Sarcopterygii | Dipnotetrapodomorpha | Tetrapoda | Amniota | Mammalia | Theria | Metatheria | Didelphimorphia | Didelphidae | Didelphinae | Monodelphis |