Class Mammalia Linnaeus, 1758 - mammals
   Order Lagomorpha Brandt, 1855 - lagomorphs
     Family Ochotonidae Thomas, 1897 - pikas
       Genus Ochotona Link, 1795 - pikas
         01 Ochotona alpina (Pallas, 1773)
         02 Ochotona cansus Lyon, 1907
         03 Ochotona collaris (Nelson, 1893) - collared pika
         04 Ochotona curzoniae (Hodgson, 1858) - black-lipped pika
         05 Ochotona dauurica (Pallas, 1776)
         06 Ochotona erythrotis (Büchner, 1890) - Chinese red pika
         07 Ochotona forresti Thomas, 1923
         08 Ochotona gaoligongensis Wang et al., 1988
         09 Ochotona gloveri Thomas, 1922
         10 Ochotona himalayana Feng, 1973
         11 Ochotona hyperborea (Pallas, 1811) - northern pika
         12 Ochotona iliensis Li & Ma, 1986
         13 Ochotona koslowi (Büchner, 1894) - Kozlov's pika
         14 Ochotona ladacensis (Günther, 1875) - Ladak pika
         15 Ochotona macrotis (Günther, 1875)
         16 Ochotona muliensis Pen & Feng, in Pen et al., 1962
         17 Ochotona nubrica Thomas, 1922
         18 Ochotona pallasi (Gray, 1867)
         19 Ochotona princeps (Richardson, 1828) - American pika
         20 Ochotona pusilla (Pallas, 1769) - steppe pika
         21 Ochotona roylei (Ogilby, 1839) - Royle's pika
         22 Ochotona rufescens (Gray, 1842) - Afghan pika
         23 Ochotona rutila (Severtzov, 1873) - Turkestan red pika
         24 Ochotona thibetana (Milne-Edwards, 1871) - Moupin pika
         25 Ochotona thomasi Argyropulo, 1948 - Thomas' pika