| papio ursinus | Yes | species | eukaryota | primates | species | 36229 | click here |
| parkesia noveboracensis | Yes | species | eukaryota | vertebrates | species | 182947 | click here |
| parus major | Yes | species | eukaryota | vertebrates | species | 9157 | click here |
| pediculus humanus | Yes | species | eukaryota | invertebrates | species | 121225 | click here |
| pediculus humanus capitis | Yes | subspecies | eukaryota | invertebrates | subspecies | 121226 | click here |
| pediculus humanus corporis | Yes | subspecies | eukaryota | invertebrates | subspecies | 121224 | click here |
| pericapritermes nitobei | Yes | species | eukaryota | invertebrates | species | 64674 | click here |
| peromyscus boylii | Yes | species | eukaryota | rodents | species | 56316 | click here |
| peromyscus californicus | Yes | species | eukaryota | rodents | species | 42520 | click here |
| peromyscus gossypinus | Yes | species | eukaryota | rodents | species | 42411 | click here |
| peromyscus leucopus | Yes | species | eukaryota | rodents | species | 10041 | click here |
| peromyscus maniculatus | Yes | species | eukaryota | rodents | species | 10042 | click here |
| peromyscus sp. | Yes | no rank | eukaryota | rodents | species | 97218 | click here |
| peromyscus truei | Yes | species | eukaryota | rodents | species | 89101 | click here |
| phacoides pectinatus | Yes | species | eukaryota | invertebrates | species | 244486 | click here |
| phasianus colchicus | Yes | species | eukaryota | vertebrates | species | 9054 | click here |
| pheucticus ludovicianus | Yes | species | eukaryota | vertebrates | species | 135444 | click here |
| phthiraptera | Yes | | | invertebrates | order | 85819 | click here |
| phyllotis darwini | Yes | species | eukaryota | rodents | species | 56232 | click here |
| phyllotis xanthopygus | Yes | species | eukaryota | rodents | species | 59941 | click here |
| picoides pubescens | Yes | species | eukaryota | vertebrates | species | 118200 | click here |
| pipilo maculatus | Yes | species | eukaryota | vertebrates | species | 95650 | click here |
| plestiodon fasciatus | Yes | species | eukaryota | vertebrates | species | 463523 | click here |
| plestiodon inexpectatus | Yes | species | eukaryota | vertebrates | species | 463525 | click here |
| plestiodon laticeps | Yes | species | eukaryota | vertebrates | species | 463528 | click here |
| podarcis siculus | Yes | species | eukaryota | vertebrates | species | 65484 | click here |
| procavia capensis | Yes | species | eukaryota | mammals | species | 9813 | click here |
| procyon lotor | Yes | species | eukaryota | mammals | species | 9654 | click here |
| prunella modularis | Yes | species | eukaryota | vertebrates | species | 181117 | click here |
| pudu puda | Yes | species | eukaryota | mammals | species | 163861 | click here |
| pulex irritans | Yes | species | eukaryota | invertebrates | species | 173820 | click here |
| pyrrhula pyrrhula | Yes | species | eukaryota | vertebrates | species | 37607 | click here |
| rangifer tarandus | Yes | species | eukaryota | mammals | species | 9870 | click here |
| rattus losea | Yes | species | eukaryota | rodents | species | 69075 | click here |
| rattus nitidus | Yes | species | eukaryota | rodents | species | 508668 | click here |
| rattus norvegicus | Yes | species | eukaryota | rodents | species | 10116 | click here |
| rattus rattus | Yes | species | eukaryota | rodents | species | 10117 | click here |
| rattus rattus alexandrinus | Yes | subspecies | eukaryota | rodents | subspecies | 796024 | click here |
| rattus tanezumi | Yes | species | eukaryota | rodents | species | 35732 | click here |
| rattus tiomanicus | Yes | species | eukaryota | rodents | species | 83755 | click here |
| reithrodontomys fulvescens | Yes | species | eukaryota | rodents | species | 56213 | click here |
| reithrodontomys megalotis | Yes | species | eukaryota | rodents | species | 44234 | click here |
| reticulitermes flavipes | Yes | species | eukaryota | invertebrates | species | 36989 | click here |
| reticulitermes grassei | Yes | species | eukaryota | invertebrates | species | 155721 | click here |
| reticulitermes hesperus | Yes | species | eukaryota | invertebrates | species | 201979 | click here |
| reticulitermes lucifugus | Yes | species | eukaryota | invertebrates | species | 127386 | click here |
| reticulitermes santonensis | Yes | species | eukaryota | invertebrates | species | 127387 | click here |
| reticulitermes speratus | Yes | species | eukaryota | invertebrates | species | 60591 | click here |
| rhinolophus pusillus | Yes | species | eukaryota | mammals | species | 159858 | click here |
| rhipicephalus annulatus | Yes | species | eukaryota | invertebrates | species | 34611 | click here |
| rhipicephalus appendiculatus | Yes | species | eukaryota | invertebrates | species | 34631 | click here |
| rhipicephalus bursa | Yes | species | eukaryota | invertebrates | species | 67831 | click here |
| rhipicephalus decoloratus | Yes | species | eukaryota | invertebrates | species | 60189 | click here |
| rhipicephalus evertsi | Yes | species | eukaryota | invertebrates | species | 60190 | click here |
| rhipicephalus geigyi | Yes | species | eukaryota | invertebrates | species | 136141 | click here |
| rhipicephalus microplus | Yes | species | eukaryota | invertebrates | species | 6941 | click here |
| rhipicephalus sanguineus | Yes | species | eukaryota | invertebrates | species | 34632 | click here |
| rhipicephalus turanicus | Yes | species | eukaryota | invertebrates | species | 34633 | click here |
| rhynchophorus ferrugineus | Yes | species | eukaryota | invertebrates | species | 354439 | click here |
| rissa tridactyla | Yes | species | eukaryota | vertebrates | species | 75485 | click here |
| rodentia | Yes | | | rodents | order | 9989 | click here |
| rupicapra pyrenaica | Yes | species | eukaryota | mammals | species | 72545 | click here |
| rupicapra rupicapra | Yes | species | eukaryota | mammals | species | 34869 | click here |
| saccopteryx bilineata | Yes | species | eukaryota | mammals | species | 59482 | click here |
| sarcoptes scabiei | Yes | species | eukaryota | invertebrates | species | 52283 | click here |
| sargassum sp. | Yes | no rank | eukaryota | plants | species | 74090 | click here |
| sceloporus undulatus | Yes | species | eukaryota | vertebrates | species | 8520 | click here |
| sceloporus woodi | Yes | species | eukaryota | vertebrates | species | 59726 | click here |
| scincella lateralis | Yes | species | eukaryota | vertebrates | species | 155319 | click here |
| sciurus carolinensis | Yes | species | eukaryota | rodents | species | 30640 | click here |
| sciurus griseus | Yes | species | eukaryota | rodents | species | 53278 | click here |
| sciurus niger | Yes | species | eukaryota | rodents | species | 34861 | click here |
| sciurus vulgaris | Yes | species | eukaryota | rodents | species | 55149 | click here |
| serinus canaria | Yes | species | eukaryota | vertebrates | species | 9135 | click here |
| setophaga magnolia | Yes | species | eukaryota | vertebrates | species | 92121 | click here |
| sicista betulina | Yes | species | eukaryota | rodents | species | 489448 | click here |
| sigmodon hispidus | Yes | species | eukaryota | rodents | species | 42415 | click here |
| simulium noelleri | Yes | species | eukaryota | invertebrates | species | 357444 | click here |
| simulium vittatum | Yes | species | eukaryota | invertebrates | species | 7192 | click here |
| sitta carolinensis | Yes | species | eukaryota | vertebrates | species | 50250 | click here |
| sorex | Yes | | | mammals | genus | 9379 | click here |
| sorex araneus | Yes | species | eukaryota | mammals | species | 42254 | click here |
| sorex caecutiens | Yes | species | eukaryota | mammals | species | 62276 | click here |
| sorex coronatus | Yes | species | eukaryota | mammals | species | 62895 | click here |
| sorex isodon | Yes | species | eukaryota | mammals | species | 62281 | click here |
| sorex unguiculatus | Yes | species | eukaryota | mammals | species | 62275 | click here |
| spheniscus demersus | Yes | species | eukaryota | vertebrates | species | 92683 | click here |
| spinus psaltria | Yes | species | eukaryota | vertebrates | species | 54559 | click here |
| stegodyphus dumicola | Yes | species | eukaryota | invertebrates | species | 202533 | click here |
| stenella frontalis | Yes | species | eukaryota | mammals | species | 103590 | click here |
| stewartia floridana | Yes | species | | | species | 881254 | click here |
| stigmochelys pardalis | Yes | species | eukaryota | vertebrates | species | 569598 | click here |
| stigmochelys pardalis babcocki | Yes | subspecies | eukaryota | vertebrates | subspecies | 286018 | click here |
| streptopelia decaocto | Yes | species | eukaryota | vertebrates | species | 177147 | click here |
| strix occidentalis caurina | Yes | subspecies | eukaryota | vertebrates | subspecies | 311401 | click here |
| suncus murinus | Yes | species | eukaryota | mammals | species | 9378 | click here |
| sus scrofa | Yes | species | eukaryota | mammals | species | 9823 | click here |
| sus scrofa domesticus | Yes | subspecies | eukaryota | mammals | subspecies | 9825 | click here |
| sylvilagus audubonii | Yes | species | eukaryota | mammals | species | 30581 | click here |
| sylvilagus bachmani | Yes | species | eukaryota | mammals | species | 365149 | click here |