| nucella lapillus | Yes | species | eukaryota | invertebrates | species | 51631 | click here |
| nyctalus noctula | Yes | species | eukaryota | mammals | species | 51300 | click here |
| nyctereutes procyonoides | Yes | species | eukaryota | mammals | species | 34880 | click here |
| nyctereutes procyonoides koreensis | Yes | subspecies | eukaryota | mammals | subspecies | 132609 | click here |
| nycteris thebaica | Yes | species | eukaryota | mammals | species | 59467 | click here |
| nycticeius humeralis | Yes | species | eukaryota | mammals | species | 27670 | click here |
| nyctimene cephalotes | Yes | species | eukaryota | mammals | species | 170209 | click here |
| nyctinomops | Yes | | | mammals | genus | 27625 | click here |
| nyctinomops laticaudatus | Yes | species | eukaryota | mammals | species | 27627 | click here |
| nyctinomops macrotis | Yes | species | eukaryota | mammals | species | 124753 | click here |
| nyssomyia flaviscutellata | Yes | species | eukaryota | invertebrates | species | 252620 | click here |
| ochlerotatus | Yes | | | invertebrates | genus | 190765 | click here |
| ochlerotatus campestris | Yes | species | | | species | 909054 | click here |
| ochlerotatus cantans | Yes | species | eukaryota | invertebrates | species | 120869 | click here |
| ochlerotatus caspius | Yes | species | eukaryota | invertebrates | species | 120870 | click here |
| ochlerotatus fulvus | Yes | species | | | species | 1285602 | click here |
| ochlerotatus serratus | Yes | species | | | species | 873164 | click here |
| ochlerotatus sierrensis | Yes | species | | | species | 1205942 | click here |
| ochlerotatus sollicitans | Yes | species | eukaryota | invertebrates | species | 310513 | click here |
| ochlerotatus vigilax | Yes | species | eukaryota | invertebrates | species | 569589 | click here |
| odobenus rosmarus | Yes | species | eukaryota | mammals | species | 9707 | click here |
| odocoileus hemionus | Yes | species | eukaryota | mammals | species | 9872 | click here |
| odocoileus hemionus columbianus | Yes | subspecies | eukaryota | mammals | subspecies | 9873 | click here |
| odocoileus virginianus | Yes | species | eukaryota | mammals | species | 9874 | click here |
| okamejei acutispina | Yes | species | eukaryota | vertebrates | species | 417955 | click here |
| oncidium | Yes | | | plants | genus | 45173 | click here |
| oncorhynchus gorbuscha | Yes | species | eukaryota | vertebrates | species | 8017 | click here |
| oncorhynchus keta | Yes | species | eukaryota | vertebrates | species | 8018 | click here |
| oncorhynchus kisutch | Yes | species | eukaryota | vertebrates | species | 8019 | click here |
| oncorhynchus masou | Yes | species | eukaryota | vertebrates | species | 8020 | click here |
| oncorhynchus masou masou | Yes | subspecies | eukaryota | vertebrates | subspecies | 90313 | click here |
| oncorhynchus mykiss | Yes | species | eukaryota | vertebrates | species | 8022 | click here |
| oncorhynchus nerka | Yes | species | eukaryota | vertebrates | species | 8023 | click here |
| oncorhynchus tshawytscha | Yes | species | eukaryota | vertebrates | species | 74940 | click here |
| orgyia pseudotsugata | Yes | species | eukaryota | invertebrates | species | 33414 | click here |
| oryctolagus cuniculus | Yes | species | eukaryota | mammals | species | 9986 | click here |
| oryza sativa | Yes | species | eukaryota | plants | species | 4530 | click here |
| otocolobus manul | Yes | species | eukaryota | mammals | species | 61408 | click here |
| otocyon megalotis | Yes | species | eukaryota | mammals | species | 9624 | click here |
| otospermophilus beecheyi | Yes | species | eukaryota | rodents | species | 34862 | click here |
| otospermophilus variegatus | Yes | species | eukaryota | rodents | species | 45472 | click here |
| ovis | Yes | | | mammals | genus | 9935 | click here |
| ovis ammon | Yes | species | eukaryota | mammals | species | 30527 | click here |
| ovis aries | Yes | species | eukaryota | mammals | species | 9940 | click here |
| ovis canadensis | Yes | species | eukaryota | mammals | species | 37174 | click here |
| pachytriton brevipes | Yes | species | eukaryota | vertebrates | species | 377299 | click here |
| pagrus major | Yes | species | eukaryota | vertebrates | species | 143350 | click here |
| paguma larvata | Yes | species | eukaryota | mammals | species | 9675 | click here |
| panicum dichotomiflorum | Yes | species | eukaryota | plants | species | 29692 | click here |
| panicum miliaceum | Yes | species | eukaryota | plants | species | 4540 | click here |
| panthera leo | Yes | species | eukaryota | mammals | species | 9689 | click here |
| panthera onca | Yes | species | eukaryota | mammals | species | 9690 | click here |
| panthera pardus | Yes | species | eukaryota | mammals | species | 9691 | click here |
| panthera pardus saxicolor | Yes | subspecies | eukaryota | mammals | subspecies | 9693 | click here |
| panthera tigris | Yes | species | eukaryota | mammals | species | 9694 | click here |
| papio cynocephalus | Yes | species | eukaryota | primates | species | 9556 | click here |
| papio ursinus | Yes | species | eukaryota | primates | species | 36229 | click here |
| paradoxurus zeylonensis | Yes | species | eukaryota | mammals | species | 643839 | click here |
| paralichthys olivaceus | Yes | species | eukaryota | vertebrates | species | 8255 | click here |
| pararge aegeria | Yes | species | eukaryota | invertebrates | species | 116150 | click here |
| parastrellus hesperus | Yes | species | eukaryota | mammals | species | 712816 | click here |
| passer | Yes | | | vertebrates | genus | 9159 | click here |
| passiflora edulis | Yes | species | eukaryota | plants | species | 78168 | click here |
| pecari tajacu | Yes | species | eukaryota | mammals | species | 9829 | click here |
| perca flavescens | Yes | species | eukaryota | vertebrates | species | 8167 | click here |
| perca fluviatilis | Yes | species | eukaryota | vertebrates | species | 8168 | click here |
| percidae | Yes | | | vertebrates | family | 8165 | click here |
| percocypris pingi | Yes | species | eukaryota | vertebrates | species | 369654 | click here |
| percopsis omiscomaycus | Yes | species | eukaryota | vertebrates | species | 81381 | click here |
| peromyscus leucopus | Yes | species | eukaryota | rodents | species | 10041 | click here |
| peromyscus maniculatus | Yes | species | eukaryota | rodents | species | 10042 | click here |
| phalaenopsis sp. | Yes | no rank | eukaryota | plants | species | 36900 | click here |
| phaseolus vulgaris | Yes | species | eukaryota | plants | species | 3885 | click here |
| phasianus colchicus | Yes | species | eukaryota | vertebrates | species | 9054 | click here |
| philander opossum | Yes | species | eukaryota | mammals | species | 9272 | click here |
| philantomba monticola | Yes | species | eukaryota | mammals | species | 907742 | click here |
| philetor brachypterus | Yes | species | eukaryota | mammals | species | 867864 | click here |
| phlebotominae | Yes | | | invertebrates | subfamily | 7198 | click here |
| phlebotomus | Yes | | | invertebrates | genus | 13203 | click here |
| phlebotomus papatasi | Yes | species | eukaryota | invertebrates | species | 29031 | click here |
| phlebotomus perfiliewi | Yes | species | eukaryota | invertebrates | species | 59275 | click here |
| phoca vitulina | Yes | species | eukaryota | mammals | species | 9720 | click here |
| phocoena phocoena | Yes | species | eukaryota | mammals | species | 9742 | click here |
| phyllostomus hastatus | Yes | species | eukaryota | mammals | species | 9423 | click here |
| physostegia | Yes | | | plants | genus | 21855 | click here |
| pipistrellus abramus | Yes | species | eukaryota | mammals | species | 105295 | click here |
| pipistrellus kuhlii | Yes | species | eukaryota | mammals | species | 59472 | click here |
| pipistrellus nathusii | Yes | species | eukaryota | mammals | species | 59473 | click here |
| pipistrellus pipistrellus | Yes | species | eukaryota | mammals | species | 59474 | click here |
| pipistrellus subflavus | Yes | species | eukaryota | mammals | species | 27672 | click here |
| pittosporum tobira | Yes | species | eukaryota | plants | species | 43073 | click here |
| platichthys flesus | Yes | species | eukaryota | vertebrates | species | 8260 | click here |
| platichthys stellatus | Yes | species | eukaryota | vertebrates | species | 195632 | click here |
| platyrrhinus lineatus | Yes | species | eukaryota | mammals | species | 410852 | click here |
| plecotus auritus | Yes | species | eukaryota | mammals | species | 61862 | click here |
| plecotus austriacus | Yes | species | eukaryota | mammals | species | 109483 | click here |
| pleuronectes platessa | Yes | species | eukaryota | vertebrates | species | 8262 | click here |
| ploceus melanocephalus | Yes | species | eukaryota | vertebrates | species | 441723 | click here |
| podranea ricasoliana | Yes | species | eukaryota | plants | species | 83955 | click here |
| pomatoschistus minutus | Yes | species | eukaryota | vertebrates | species | 13225 | click here |