Animalia | Bilateria | Deuterostomia | Chordata | Vertebrata | Gnathostomata | Tetrapoda | Mammalia | Theria | Eutheria | Lagomorpha | Ochotonidae | Ochotona | Ochotona (Pika) | Ochotona princeps
kingdom | subkingdom | infrakingdom | phylum | subphylum | infraphylum | superclass | class | subclass | infraclass | order | family | genus | subgenus | species
ITIS:AUTHORSHIP:0 | ITIS:AUTHORSHIP:0 | ITIS:AUTHORSHIP:0 | ITIS:AUTHORSHIP:0 | ITIS:AUTHORSHIP:0 | ITIS:AUTHORSHIP:0 | ITIS:AUTHORSHIP:0 | Linnaeus, 1758 | Parker and Haswell, 1897 | Gill, 1872 | Brandt, 1855 | Thomas, 1897 | Link, 1795 | Lac�p�de, 1799 | (Richardson, 1828)