| hydra oligactis | Yes | species | eukaryota | invertebrates | species | 6088 | click here |
| hydrochoerus hydrochaeris | Yes | species | eukaryota | rodents | species | 10149 | click here |
| hydromys chrysogaster | Yes | species | eukaryota | rodents | species | 160448 | click here |
| hydropotes inermis | Yes | species | eukaryota | mammals | species | 9883 | click here |
| hyla | Yes | | | vertebrates | genus | 8421 | click here |
| hylochoerus | Yes | | | | genus | 673353 | click here |
| hymeniacidon heliophila | Yes | species | eukaryota | invertebrates | species | 51076 | click here |
| hystrix indica | Yes | species | eukaryota | rodents | species | 192883 | click here |
| incisitermes marginipennis | Yes | species | | | species | 529878 | click here |
| incisitermes minor | Yes | species | eukaryota | invertebrates | species | 112481 | click here |
| incisitermes tabogae | Yes | species | eukaryota | invertebrates | species | 367367 | click here |
| indri indri | Yes | species | eukaryota | primates | species | 34827 | click here |
| inflatella pellicula | Yes | species | | | species | 1336927 | click here |
| ipomoea triloba | Yes | species | eukaryota | plants | species | 35885 | click here |
| iris germanica | Yes | species | eukaryota | plants | species | 34205 | click here |
| iris pseudacorus | Yes | species | eukaryota | plants | species | 82213 | click here |
| isoodon macrourus | Yes | species | eukaryota | mammals | species | 37698 | click here |
| isoptera | Yes | | | invertebrates | order | 7499 | click here |
| isostichopus badionotus | Yes | species | eukaryota | invertebrates | species | 571814 | click here |
| ixodes | Yes | | | invertebrates | genus | 6944 | click here |
| ixodes acuminatus | Yes | species | | | species | 1050223 | click here |
| ixodes affinis | Yes | species | eukaryota | invertebrates | species | 48829 | click here |
| ixodes angustus | Yes | species | eukaryota | invertebrates | species | 35564 | click here |
| ixodes apronophorus | Yes | species | | | species | 2107605 | click here |
| ixodes auritulus | Yes | species | eukaryota | invertebrates | species | 65646 | click here |
| ixodes boliviensis | Yes | species | | | species | 690269 | click here |
| ixodes brunneus | Yes | species | eukaryota | invertebrates | species | 213681 | click here |
| ixodes canisuga | Yes | species | eukaryota | invertebrates | species | 662032 | click here |
| ixodes cookei | Yes | species | eukaryota | invertebrates | species | 35565 | click here |
| ixodes dentatus | Yes | species | | | species | 458544 | click here |
| ixodes frontalis | Yes | species | eukaryota | invertebrates | species | 213683 | click here |
| ixodes gibbosus | Yes | species | eukaryota | invertebrates | species | 213684 | click here |
| ixodes granulatus | Yes | species | eukaryota | invertebrates | species | 59647 | click here |
| ixodes hexagonus | Yes | species | eukaryota | invertebrates | species | 34612 | click here |
| ixodes holocyclus | Yes | species | eukaryota | invertebrates | species | 65647 | click here |
| ixodes jellisoni | Yes | species | eukaryota | invertebrates | species | 59648 | click here |
| ixodes kaiseri | Yes | species | | | species | 1389252 | click here |
| ixodes longiscutatus | Yes | species | eukaryota | invertebrates | species | 330946 | click here |
| ixodes minor | Yes | species | eukaryota | invertebrates | species | 213686 | click here |
| ixodes monospinosus | Yes | species | eukaryota | invertebrates | species | 79494 | click here |
| ixodes muris | Yes | species | eukaryota | invertebrates | species | 35566 | click here |
| ixodes nipponensis | Yes | species | eukaryota | invertebrates | species | 63660 | click here |
| ixodes ovatus | Yes | species | eukaryota | invertebrates | species | 59652 | click here |
| ixodes pacificus | Yes | species | eukaryota | invertebrates | species | 29930 | click here |
| ixodes pararicinus | Yes | species | eukaryota | invertebrates | species | 213688 | click here |
| ixodes pavlovskyi | Yes | species | eukaryota | invertebrates | species | 79495 | click here |
| ixodes persulcatus | Yes | species | eukaryota | invertebrates | species | 34615 | click here |
| ixodes ricinus | Yes | species | eukaryota | invertebrates | species | 34613 | click here |
| ixodes scapularis | Yes | species | eukaryota | invertebrates | species | 6945 | click here |
| ixodes sigelos | Yes | species | eukaryota | invertebrates | species | 213689 | click here |
| ixodes sinensis | Yes | species | eukaryota | invertebrates | species | 339422 | click here |
| ixodes spinipalpis | Yes | species | eukaryota | invertebrates | species | 34614 | click here |
| ixodes stilesi | Yes | species | eukaryota | invertebrates | species | 330945 | click here |
| ixodes trianguliceps | Yes | species | eukaryota | invertebrates | species | 347913 | click here |
| ixodes turdus | Yes | species | eukaryota | invertebrates | species | 79497 | click here |
| ixodes uriae | Yes | species | eukaryota | invertebrates | species | 59655 | click here |
| ixodida | Yes | | | invertebrates | order | 6935 | click here |
| ixodidae | Yes | | | invertebrates | family | 6939 | click here |
| joenia annectens | Yes | species | eukaryota | invertebrates | species | 450820 | click here |
| junco hyemalis | Yes | species | eukaryota | vertebrates | species | 40217 | click here |
| kalotermes flavicollis | Yes | species | eukaryota | invertebrates | species | 256709 | click here |
| labiotermes labralis | Yes | species | eukaryota | invertebrates | species | 370423 | click here |
| lacerta viridis | Yes | species | eukaryota | vertebrates | species | 65476 | click here |
| lama guanicoe | Yes | species | eukaryota | mammals | species | 9840 | click here |
| lasiurus blossevillii | Yes | species | eukaryota | mammals | species | 258932 | click here |
| laternula elliptica | Yes | species | eukaryota | invertebrates | species | 228457 | click here |
| lemur catta | Yes | species | eukaryota | primates | species | 9447 | click here |
| leopardus geoffroyi | Yes | species | eukaryota | mammals | species | 46844 | click here |
| leopardus pardalis | Yes | species | eukaryota | mammals | species | 32538 | click here |
| leopoldamys edwardsi | Yes | species | eukaryota | rodents | species | 83756 | click here |
| leopoldamys sabanus | Yes | species | eukaryota | rodents | species | 69073 | click here |
| leptospira | Yes | | | bacteria | genus | 171 | click here |
| lepus americanus | Yes | species | eukaryota | mammals | species | 48086 | click here |
| lepus californicus | Yes | species | eukaryota | mammals | species | 48087 | click here |
| lepus capensis | Yes | species | eukaryota | mammals | species | 9981 | click here |
| lepus corsicanus | Yes | species | eukaryota | mammals | species | 100181 | click here |
| lepus europaeus | Yes | species | eukaryota | mammals | species | 9983 | click here |
| lepus timidus | Yes | species | eukaryota | mammals | species | 62621 | click here |
| limosa limosa islandica | Yes | subspecies | | | subspecies | 1178549 | click here |
| limosa limosa limosa | Yes | subspecies | eukaryota | vertebrates | subspecies | 643564 | click here |
| lipoptena depressa | Yes | species | eukaryota | invertebrates | species | 452739 | click here |
| lonchophylla | Yes | | | mammals | genus | 138704 | click here |
| lontra canadensis | Yes | species | eukaryota | mammals | species | 76717 | click here |
| luscinia megarhynchos | Yes | species | eukaryota | vertebrates | species | 383689 | click here |
| lycalopex griseus | Yes | species | | | species | 68737 | click here |
| lynx pardinus | Yes | species | eukaryota | mammals | species | 191816 | click here |
| lynx rufus | Yes | species | eukaryota | mammals | species | 61384 | click here |
| macaca fascicularis | Yes | species | eukaryota | primates | species | 9541 | click here |
| macaca mulatta | Yes | species | eukaryota | primates | species | 9544 | click here |
| macaca sylvanus | Yes | species | eukaryota | primates | species | 9546 | click here |
| macroglossus minimus | Yes | species | eukaryota | mammals | species | 29076 | click here |
| macropus giganteus | Yes | species | eukaryota | mammals | species | 9317 | click here |
| macrotermes gilvus | Yes | species | eukaryota | invertebrates | species | 62961 | click here |
| macrotermes michaelseni | Yes | species | eukaryota | invertebrates | species | 105431 | click here |
| malaclemys terrapin | Yes | species | eukaryota | vertebrates | species | 8485 | click here |
| mammalia | Yes | | | mammals | class | 40674 | click here |
| marmosops | Yes | | | mammals | genus | 42721 | click here |
| marmosops ocellatus | Yes | species | | | species | 1785726 | click here |
| marmota monax | Yes | species | eukaryota | rodents | species | 9995 | click here |
| martes foina | Yes | species | eukaryota | mammals | species | 9659 | click here |