Showing 235 taxonomic names where genus starts with 'O'.
* indicates that a taxon has NOT matched to the NCBI hierarchy.
# indicates that a taxon has been matched to a PBDB entry.
† Obdurodon *
† Obdurodon insignis Woodburne and Tedford, 1975 *
Ochotona princeps
Ochotona alpina
Ochotona argentata
Ochotona cansus
Ochotona collaris
Ochotona curzoniae
Ochotona dauurica
Ochotona erythrotis
Ochotona forresti
Ochotona gaoligongensis
Ochotona gloveri
Ochotona himalayana
Ochotona hoffmanni
Ochotona huangensis
Ochotona hyperborea
Ochotona iliensis
Ochotona koslowi
Ochotona ladacensis
Ochotona macrotis
Ochotona muliensis
Ochotona nigritia
Ochotona nubrica
Ochotona pallasi
Ochotona pusilla
Ochotona roylei
Ochotona rufescens
Ochotona rutila
Ochotona thibetana
Ochotona thomasi
Ochotona turuchanensis
Ochrotomys nuttalli
Octodon bridgesi
Octodon degus
Octodon lunatus
Octodon pacificus
Octodontomys gliroides
† Octodontotherium grandae *
Octomys mimax
Odobenus rosmarus
Odocoileus hemionus
Odocoileus virginianus
Oecomys auyantepui
Oecomys bicolor
Oecomys catherinae
Oecomys cleberi
Oecomys concolor
Oecomys flavicans
Oecomys mamorae
Oecomys paricola
Oecomys phaeotis
Oecomys rex
Oecomys roberti
Oecomys rutilus
Oecomys speciosus
Oecomys superans
Oecomys trinitatis
Oenomys hypoxanthus
Oenomys ornatus
Okapia johnstoni
Olallamys albicauda
Olallamys edax
Oldfieldthomasia debilitata *
† Oligokyphus *
† Oligokyphus sp *
Oligoryctes cameronensis *
Oligoryzomys andinus
Oligoryzomys arenalis
Oligoryzomys brendae
Oligoryzomys chacoensis
Oligoryzomys delticola
Oligoryzomys destructor
Oligoryzomys eliurus
Oligoryzomys flavescens
Oligoryzomys fornesi
Oligoryzomys fulvescens
Oligoryzomys griseolus
Oligoryzomys longicaudatus
Oligoryzomys magellanicus
Oligoryzomys microtis
Oligoryzomys nigripes
Oligoryzomys stramineus
Oligoryzomys vegetus
Oligoryzomys victus
Olocolobus manul
Ommatophoca rossii
† Omomys carteri *
Ondatra zibethicus
† Onychodectes *
Onychogalea fraenata
Onychogalea lunata
Onychogalea unguifera
Onychomys arenicola
Onychomys leucogaster
Onychomys torridus
† Onychonycteris finneyi *
† Oodectes herpestoides *
Ophiacodon *
Orcaella brevirostris
Orcinus orca
Oreamnos americanus
Oreonax flavicauda *
† Oreopithecus bambolli *
Oreoryzomys
Oreotragus oreotragus
Ornithorhynchus anatinus
Orthogeomys cavator
Orthogeomys cherriei
Orthogeomys cuniculus
Orthogeomys dariensis
Orthogeomys grandis
Orthogeomys heterodus
Orthogeomys hispidus
Orthogeomys lanius
Orthogeomys matagalpae
Orthogeomys thaeleri
Orthogeomys underwoodi
Orycteropus afer
Oryctolagus cuniculus
Oryx beisa
Oryx dammah
Oryx gazella
Oryx leucoryx
Oryzomys albigularis
Oryzomys alfaroi
Oryzomys angouya
Oryzomys auriventer
Oryzomys balneator
Oryzomys bolivaris
Oryzomys caracolus
Oryzomys chapmani
Oryzomys couesi
Oryzomys curasoae
Oryzomys devius
Oryzomys dimidiatus
Oryzomys emmonsae
Oryzomys galapagoensis
Oryzomys gorgasi
Oryzomys hammondi
Oryzomys keaysi
Oryzomys lamia
Oryzomys laticeps
Oryzomys legatus
Oryzomys levipes
Oryzomys macconnelli
Oryzomys maracajuensis
Oryzomys marinhus
Oryzomys megacephalus
Oryzomys melanotis
Oryzomys meridensis
Oryzomys nelsoni
Oryzomys nitidus
Oryzomys palustris
Oryzomys perenensis
Oryzomys polius
Oryzomys rhabdops
Oryzomys rostratus
Oryzomys russatus
Oryzomys saturatior
Oryzomys scotti
Oryzomys seuanezi
Oryzomys subflavus
Oryzomys talamancae
Oryzomys tatei
Oryzomys xanthaeolus
Oryzomys yunganus
Oryzorictes hova
Oryzorictes tetradactylus
Osbornictis piscivora
Osgoodomys banderanus
Otaria flavescens
† Otarocyon cooki (Macdonald, 1963) *
Otarocyon cooki *
Otocolobus manul
Otocyon megalotis
Otolemur crassicaudatus
Otolemur garnettii
Otolemur monteiri
Otomops formosus
Otomops johnstonei
Otomops madagascariensis
Otomops martiensseni
Otomops papuensis
Otomops secundus
Otomops wroughtoni
Otomys anchietae
Otomys angoniensis
Otomys barbouri
Otomys burtoni
Otomys cuanzensis
Otomys dartmouthi
Otomys denti
Otomys dollmani
Otomys irroratus
Otomys jacksoni
Otomys lacustris
Otomys laminatus
Otomys maximus
Otomys occidentalis
Otomys orestes
Otomys saundersiae
Otomys tropicalis
Otomys typus
Otomys uzungwensis
Otonycteris hemprichii
Otonyctomys hatti
Otopteropus cartilagonodus
Ototylomys phyllotis
† Ourayia uintensis *
Ourebia ourebi
Ovibos moschatus
Ovis ammon
Ovis aries
Ovis canadensis
Ovis dalli
Ovis nivicola
† Oxyaena lupina *
Oxymycterus akodontius
Oxymycterus amazonicus
Oxymycterus angularis
Oxymycterus caparoae
Oxymycterus dasytrichus
Oxymycterus delator
Oxymycterus hiska
Oxymycterus hispidus
Oxymycterus hucucha
Oxymycterus inca
Oxymycterus josei
Oxymycterus nasutus
Oxymycterus paramensis
Oxymycterus quaestor
Oxymycterus roberti
Oxymycterus rufus
Ozotoceros bezoarticus