Wiktionary:Requested entries (Scientific names)/O


 * Oarces
 * Oarces reticulatus
 * Ocimum
 * Odocoileus
 * Odocoileus hemionus
 * Odocoileus hemionus columbianus
 * Odontochelys
 * Odontochelys semitestacea
 * Ondatra
 * Ondatra zibethicus
 * — genus of dreamers in the family of deep-sea anglerfishes
 * — the
 * Oniscus
 * Oniscus asellus
 * Onopordum
 * Onopordum acanthium
 * Ophiocordyceps unilateralis
 * Opisthostoma vermiculum
 * Orcynus pelamys
 * Oreamnos
 * Oreamnos americanus
 * Orrorin
 * Orrorin tugenensis
 * Otiorhycus sulcatus
 * Ovibos
 * Ovis
 * Ovis orientalis
 * Otiorhycus sulcatus
 * Ovibos
 * Ovis
 * Ovis orientalis