| abida frumentum | Yes | species | | | species | | click here |
| abramis brama | Yes | species | eukaryota | vertebrates | species | 38527 | click here |
| acanthochromis polyacanthus | Yes | species | eukaryota | vertebrates | species | 80966 | click here |
| acanthostracion quadricornis | Yes | species | eukaryota | vertebrates | species | 587042 | click here |
| acanthurus sohal | Yes | species | | | species | 1484167 | click here |
| acipenser fulvescens | Yes | species | eukaryota | vertebrates | species | 41871 | click here |
| acipenser schrenckii | Yes | species | eukaryota | vertebrates | species | 111304 | click here |
| acrocephalus arundinaceus | Yes | species | eukaryota | vertebrates | species | 39621 | click here |
| acrocephalus schoenobaenus | Yes | species | eukaryota | vertebrates | species | 52609 | click here |
| acrocephalus scirpaceus | Yes | species | eukaryota | vertebrates | species | 48156 | click here |
| aegista vulgivaga | Yes | species | eukaryota | invertebrates | species | 145124 | click here |
| agonostomus monticola | Yes | species | eukaryota | vertebrates | species | 661228 | click here |
| aidablennius sphynx | Yes | species | eukaryota | vertebrates | species | 195073 | click here |
| alburnus alburnus | Yes | species | eukaryota | vertebrates | species | 54556 | click here |
| alces alces | Yes | species | eukaryota | mammals | species | 9852 | click here |
| allopetrolisthes punctatus | Yes | species | eukaryota | invertebrates | species | 123857 | click here |
| allotoca diazi | Yes | species | eukaryota | vertebrates | species | 208316 | click here |
| allotoca dugesii | Yes | species | eukaryota | vertebrates | species | 208317 | click here |
| alouatta palliata | Yes | species | eukaryota | primates | species | 30589 | click here |
| ambystoma | Yes | | | vertebrates | genus | 8295 | click here |
| ambystoma macrodactylum | Yes | species | eukaryota | vertebrates | species | 43111 | click here |
| ambystoma tigrinum | Yes | species | eukaryota | vertebrates | species | 8305 | click here |
| ambystoma velasci | Yes | species | eukaryota | vertebrates | species | 43109 | click here |
| ameiurus brunneus | Yes | species | eukaryota | vertebrates | species | 219540 | click here |
| ameiurus melas | Yes | species | eukaryota | vertebrates | species | 219545 | click here |
| ameiurus natalis | Yes | species | eukaryota | vertebrates | species | 66912 | click here |
| ameiurus nebulosus | Yes | species | eukaryota | vertebrates | species | 27778 | click here |
| amia calva | Yes | species | eukaryota | vertebrates | species | 7924 | click here |
| amnicola limosa | Yes | species | eukaryota | invertebrates | species | 110811 | click here |
| amphilophus citrinellus | Yes | species | eukaryota | vertebrates | species | 61819 | click here |
| amphilophus zaliosus | Yes | species | eukaryota | vertebrates | species | 281253 | click here |
| amphipoda | Yes | | | invertebrates | order | 6821 | click here |
| anarhichas lupus | Yes | species | eukaryota | vertebrates | species | 8204 | click here |
| anas clypeata | Yes | species | eukaryota | vertebrates | species | 75838 | click here |
| anas diazi | Yes | species | eukaryota | vertebrates | species | 75841 | click here |
| anas platyrhynchos | Yes | species | eukaryota | vertebrates | species | 8839 | click here |
| anas querquedula | Yes | species | eukaryota | vertebrates | species | 75856 | click here |
| anatopynia varius | Yes | species | | | species | | click here |
| anaxyrus woodhousii | Yes | species | eukaryota | vertebrates | species | 47561 | click here |
| anguilla japonica | Yes | species | eukaryota | vertebrates | species | 7937 | click here |
| anisotremus scapularis | Yes | species | eukaryota | vertebrates | species | 531323 | click here |
| anisus vortex | Yes | species | eukaryota | invertebrates | species | 271030 | click here |
| anolis cristatellus | Yes | species | eukaryota | vertebrates | species | 38889 | click here |
| anser anser domesticus | Yes | subspecies | eukaryota | vertebrates | subspecies | 8848 | click here |
| anura | Yes | | | vertebrates | order | 8342 | click here |
| aplodactylus arctidens | Yes | species | eukaryota | vertebrates | species | 82892 | click here |
| aplodinotus grunniens | Yes | species | eukaryota | vertebrates | species | 225389 | click here |
| apodemus agrarius | Yes | species | eukaryota | rodents | species | 39030 | click here |
| apodemus flavicollis | Yes | species | eukaryota | rodents | species | 54292 | click here |
| apodemus peninsulae | Yes | species | eukaryota | rodents | species | 105297 | click here |
| apodemus speciosus | Yes | species | eukaryota | rodents | species | 105296 | click here |
| apodemus sylvaticus | Yes | species | eukaryota | rodents | species | 10129 | click here |
| apus apus | Yes | species | eukaryota | vertebrates | species | 8895 | click here |
| archosargus probatocephalus | Yes | species | eukaryota | vertebrates | species | 119682 | click here |
| arothron stellatus | Yes | species | eukaryota | vertebrates | species | 229061 | click here |
| arripis trutta | Yes | species | eukaryota | vertebrates | species | 270544 | click here |
| aspius aspius | Yes | species | eukaryota | vertebrates | species | 98928 | click here |
| astyanax aeneus | Yes | species | eukaryota | vertebrates | species | 178766 | click here |
| astyanax fasciatus | Yes | species | eukaryota | vertebrates | species | 223369 | click here |
| astyanax mexicanus | Yes | species | eukaryota | vertebrates | species | 7994 | click here |
| ateles geoffroyi | Yes | species | eukaryota | primates | species | 9509 | click here |
| atractosteus spatula | Yes | species | eukaryota | vertebrates | species | 7917 | click here |
| atractosteus tropicus | Yes | species | eukaryota | vertebrates | species | 512342 | click here |
| attila cinnamomeus | Yes | species | | | species | 1109027 | click here |
| auchenionchus microcirrhis | Yes | species | eukaryota | vertebrates | species | 57782 | click here |
| aulostomus chinensis | Yes | species | eukaryota | vertebrates | species | 150448 | click here |
| austridotea annectens | Yes | species | eukaryota | invertebrates | species | 339790 | click here |
| austrocochlea constricta | Yes | species | eukaryota | invertebrates | species | 319492 | click here |
| austrocochlea porcata | Yes | species | eukaryota | invertebrates | species | 69573 | click here |
| austrolittorina cincta | Yes | species | eukaryota | invertebrates | species | 196959 | click here |
| austrolittorina unifasciata | Yes | species | eukaryota | invertebrates | species | 69680 | click here |
| awaous banana | Yes | species | eukaryota | vertebrates | species | 621459 | click here |
| aythya ferina | Yes | species | eukaryota | vertebrates | species | 219593 | click here |
| bagrus docmak | Yes | species | eukaryota | vertebrates | species | 390465 | click here |
| balaenoptera acutorostrata | Yes | species | eukaryota | mammals | species | 9767 | click here |
| balistes polylepis | Yes | species | eukaryota | vertebrates | species | 303686 | click here |
| balistes sp. | Yes | no rank | eukaryota | vertebrates | species | 94230 | click here |
| balistes vetula | Yes | species | eukaryota | vertebrates | species | 303687 | click here |
| balistoides conspicillum | Yes | species | eukaryota | vertebrates | species | 303689 | click here |
| balistoides viridescens | Yes | species | eukaryota | vertebrates | species | 303705 | click here |
| ballerus ballerus | Yes | species | eukaryota | vertebrates | species | 155074 | click here |
| barbastella barbastellus | Yes | species | eukaryota | mammals | species | 59449 | click here |
| barbatula barbatula | Yes | species | eukaryota | vertebrates | species | 135647 | click here |
| barbatula toni | Yes | species | eukaryota | vertebrates | species | 357282 | click here |
| bembicium auratum | Yes | species | eukaryota | invertebrates | species | 196944 | click here |
| bison bison | Yes | species | eukaryota | mammals | species | 9901 | click here |
| bison bonasus | Yes | species | eukaryota | mammals | species | 9902 | click here |
| bithynia leachi | Yes | species | | | species | | click here |
| bithynia tentaculata | Yes | species | eukaryota | invertebrates | species | 6478 | click here |
| bodianus loxozonus | Yes | species | eukaryota | vertebrates | species | 586783 | click here |
| bodianus perditio | Yes | species | eukaryota | vertebrates | species | 398265 | click here |
| bombina variegata | Yes | species | eukaryota | vertebrates | species | 8348 | click here |
| bos grunniens | Yes | species | eukaryota | mammals | species | 30521 | click here |
| bos indicus | Yes | species | eukaryota | mammals | species | 9915 | click here |
| bos primigenius | Yes | species | eukaryota | mammals | species | 9909 | click here |
| bos taurus | Yes | species | eukaryota | mammals | species | 9913 | click here |
| bryconamericus scleroparius | Yes | species | eukaryota | vertebrates | species | 190785 | click here |
| buccinanops cochlidium | Yes | species | | | species | 1429360 | click here |
| bufo bufo | Yes | species | eukaryota | vertebrates | species | 8384 | click here |
| bufotes viridis | Yes | species | eukaryota | vertebrates | species | 30338 | click here |