| aaptos aaptos | Yes | species | eukaryota | invertebrates | species | 253165 | click here |
| acanthamoeba | Yes | | | invertebrates | genus | 5754 | click here |
| acanthamoeba castellanii | Yes | species | eukaryota | invertebrates | species | 5755 | click here |
| accipiter gentilis | Yes | species | eukaryota | vertebrates | species | 8957 | click here |
| acheilognathus yamatsutae | Yes | species | eukaryota | vertebrates | species | 80790 | click here |
| acinonyx jubatus | Yes | species | eukaryota | mammals | species | 32536 | click here |
| acipenser baerii | Yes | species | eukaryota | vertebrates | species | 27689 | click here |
| acipenser gueldenstaedtii | Yes | species | eukaryota | vertebrates | species | 7902 | click here |
| acipenser ruthenus | Yes | species | eukaryota | vertebrates | species | 7906 | click here |
| acipenser sturio | Yes | species | eukaryota | vertebrates | species | 61674 | click here |
| acromyrmex coronatus | Yes | species | eukaryota | invertebrates | species | 230683 | click here |
| actinobacteria bacterium | Yes | species | | | species | 1883427 | click here |
| actinopterygii | Yes | | | vertebrates | class | 7898 | click here |
| addax nasomaculatus | Yes | species | eukaryota | mammals | species | 59515 | click here |
| aepyceros melampus | Yes | species | eukaryota | mammals | species | 9897 | click here |
| ailurus fulgens | Yes | species | eukaryota | mammals | species | 9649 | click here |
| alces alces | Yes | species | eukaryota | mammals | species | 9852 | click here |
| alectoris rufa | Yes | species | eukaryota | vertebrates | species | 9079 | click here |
| alhagi sparsifolia | Yes | species | eukaryota | plants | species | 218100 | click here |
| amazona aestiva | Yes | species | eukaryota | vertebrates | species | 12930 | click here |
| amazona amazonica | Yes | species | eukaryota | vertebrates | species | 151758 | click here |
| amazona farinosa | Yes | species | eukaryota | vertebrates | species | 151760 | click here |
| amazona leucocephala leucocephala | Yes | subspecies | eukaryota | vertebrates | subspecies | 241568 | click here |
| amblyomma tuberculatum | Yes | species | eukaryota | invertebrates | species | 48802 | click here |
| ammopiptanthus | Yes | | | plants | genus | 111850 | click here |
| ammotragus lervia | Yes | species | eukaryota | mammals | species | 9899 | click here |
| amorpha fruticosa | Yes | species | eukaryota | plants | species | 48131 | click here |
| amphimedon queenslandica | Yes | species | eukaryota | invertebrates | species | 400682 | click here |
| anas platyrhynchos | Yes | species | eukaryota | vertebrates | species | 8839 | click here |
| anodonthyla boulengerii | Yes | species | eukaryota | vertebrates | species | 289202 | click here |
| anolis carolinensis | Yes | species | eukaryota | vertebrates | species | 28377 | click here |
| anopheles minimus | Yes | species | eukaryota | invertebrates | species | 112268 | click here |
| anser albifrons | Yes | species | eukaryota | vertebrates | species | 50365 | click here |
| anser erythropus | Yes | species | eukaryota | vertebrates | species | 132586 | click here |
| antidorcas marsupialis | Yes | species | eukaryota | mammals | species | 59523 | click here |
| antilope cervicapra | Yes | species | eukaryota | mammals | species | 59525 | click here |
| aonyx cinerea | Yes | species | eukaryota | mammals | species | 452597 | click here |
| aotus trivirgatus | Yes | species | eukaryota | primates | species | 9505 | click here |
| aphis gossypii | Yes | species | eukaryota | invertebrates | species | 80765 | click here |
| apostichopus japonicus | Yes | species | eukaryota | invertebrates | species | 307972 | click here |
| apteryx australis mantelli | Yes | subspecies | eukaryota | vertebrates | subspecies | 202946 | click here |
| arabidopsis thaliana | Yes | species | eukaryota | plants | species | 3702 | click here |
| arachis hypogaea | Yes | species | eukaryota | plants | species | 3818 | click here |
| arctictis binturong | Yes | species | eukaryota | mammals | species | 94180 | click here |
| arctocephalus australis | Yes | species | eukaryota | mammals | species | 161928 | click here |
| arctocephalus forsteri | Yes | species | eukaryota | mammals | species | 29084 | click here |
| arctocephalus pusillus | Yes | species | eukaryota | mammals | species | 37191 | click here |
| arctocephalus pusillus doriferus | Yes | subspecies | eukaryota | mammals | subspecies | 37193 | click here |
| arctocephalus tropicalis | Yes | species | eukaryota | mammals | species | 37194 | click here |
| ardea alba | Yes | species | eukaryota | vertebrates | species | 110620 | click here |
| ardea cinerea | Yes | species | eukaryota | vertebrates | species | 30390 | click here |
| argyrosomus regius | Yes | species | eukaryota | vertebrates | species | 172269 | click here |
| artemisia princeps | Yes | species | eukaryota | plants | species | 223870 | click here |
| artemisia vulgaris | Yes | species | eukaryota | plants | species | 4220 | click here |
| arvicola amphibius | Yes | species | | | species | 1047088 | click here |
| asio otus | Yes | species | eukaryota | vertebrates | species | 111810 | click here |
| aspicilia | Yes | | | plants | genus | 170003 | click here |
| astatotilapia latifasciata | Yes | species | | | species | 1410459 | click here |
| atelerix albiventris | Yes | species | eukaryota | mammals | species | 9368 | click here |
| ateles geoffroyi | Yes | species | eukaryota | primates | species | 9509 | click here |
| ateles paniscus | Yes | species | eukaryota | primates | species | 9510 | click here |
| athene noctua | Yes | species | eukaryota | vertebrates | species | 126797 | click here |
| aulonocara | Yes | | | vertebrates | genus | 27780 | click here |
| aulostomus maculatus | Yes | species | eukaryota | vertebrates | species | 150449 | click here |
| avenella flexuosa | Yes | species | eukaryota | plants | species | 29672 | click here |
| aves | Yes | | | vertebrates | class | 8782 | click here |
| avicennia germinans | Yes | species | eukaryota | plants | species | 41378 | click here |
| axis axis | Yes | species | eukaryota | mammals | species | 30531 | click here |
| aythya valisineria | Yes | species | eukaryota | vertebrates | species | 110915 | click here |
| baccharis trimera | Yes | species | | | species | 1486033 | click here |
| bactrocera minax | Yes | species | eukaryota | invertebrates | species | 104690 | click here |
| bassariscus astutus | Yes | species | eukaryota | mammals | species | 55047 | click here |
| betta splendens | Yes | species | eukaryota | vertebrates | species | 158456 | click here |
| bison | Yes | | | mammals | genus | 9900 | click here |
| bison bison | Yes | species | eukaryota | mammals | species | 9901 | click here |
| bison bison athabascae | Yes | subspecies | eukaryota | mammals | subspecies | 43347 | click here |
| bison bison bison | Yes | subspecies | | | subspecies | 43346 | click here |
| bison bonasus | Yes | species | eukaryota | mammals | species | 9902 | click here |
| blommersia blommersae | Yes | species | eukaryota | vertebrates | species | 160222 | click here |
| blommersia grandisonae | Yes | species | eukaryota | vertebrates | species | 143588 | click here |
| boa constrictor | Yes | species | eukaryota | vertebrates | species | 8574 | click here |
| boophis albilabris | Yes | species | eukaryota | vertebrates | species | 127642 | click here |
| boophis goudotii | Yes | species | eukaryota | vertebrates | species | 169023 | click here |
| boophis idae | Yes | species | eukaryota | vertebrates | species | 252281 | click here |
| boophis luciae | Yes | species | eukaryota | vertebrates | species | 743288 | click here |
| boophis pyrrhus | Yes | species | eukaryota | vertebrates | species | 321790 | click here |
| boophis quasiboehmei | Yes | species | | | species | 1070680 | click here |
| boophis roseipalmatus | Yes | species | eukaryota | vertebrates | species | 748778 | click here |
| boophis tasymena | Yes | species | eukaryota | vertebrates | species | 321798 | click here |
| bos grunniens | Yes | species | eukaryota | mammals | species | 30521 | click here |
| bos indicus | Yes | species | eukaryota | mammals | species | 9915 | click here |
| bos indicus x bos taurus | Yes | no rank | eukaryota | mammals | species | 30522 | click here |
| bos javanicus | Yes | species | eukaryota | mammals | species | 9906 | click here |
| bos primigenius | Yes | species | eukaryota | mammals | species | 9909 | click here |
| bos sp. | Yes | no rank | eukaryota | mammals | species | 29061 | click here |
| bos taurus | Yes | species | eukaryota | mammals | species | 9913 | click here |
| bos taurus x bos indicus | Yes | no rank | eukaryota | mammals | species | 30523 | click here |
| boselaphus tragocamelus | Yes | species | eukaryota | mammals | species | 9917 | click here |
| botaurus stellaris | Yes | species | eukaryota | vertebrates | species | 188376 | click here |
| bovidae | Yes | | | mammals | family | 9895 | click here |