Oryzomys alfaroi (J. A. Allen 1891)

Oryzomys alfaroi; Oryzomys (rice rats); Oryzomyini; Oryzomyalia; Sigmodontinae (South American rats and mice); Eumuroidea; Mouse relatives; Cricetidae (cricetids ); Muroidea (mice, rats, gerbils, and relatives); Myomorpha (mice, rats, gerbils, jerboas, and relatives); Glires; Rodentia (rodents); Euarchontoglires; Eutheria (eutherian); Theria (Therians); Boreoeutheria; Placentalia (placental); Therapsida (therapsid); Cynodontia (cynodonts); Synapsida (synapsids); Mammalia (mammals); Tetrapoda (terrestrial vertebrates); Gnathostomata (jawed fish); Reptiliomorpha; Amniota (amniotes); Sarcopterygii (Lobe-finned fishes); Metazoa (Animal); Osteichthyes; Vertebrata (vertebrates); Deuterostomia (deuterostomes); Chordata (Chordates); Bilateria; Opisthokonta (opisthokonts); Cellular (cellular organisms); Life (creatures); Eukaryota (eukaryotes)