| abramis brama | Yes | species | eukaryota | vertebrates | species | 38527 | click here |
| acanthopagrus schlegelii | Yes | species | eukaryota | vertebrates | species | 72011 | click here |
| acinonyx jubatus | Yes | species | eukaryota | mammals | species | 32536 | click here |
| acipenser baerii | Yes | species | eukaryota | vertebrates | species | 27689 | click here |
| acrocephalus schoenobaenus | Yes | species | eukaryota | vertebrates | species | 52609 | click here |
| actinidia deliciosa | Yes | species | eukaryota | plants | species | 3627 | click here |
| aedes aegypti | Yes | species | eukaryota | invertebrates | species | 7159 | click here |
| aedes albopictus | Yes | species | eukaryota | invertebrates | species | 7160 | click here |
| aedes sp. | Yes | no rank | eukaryota | invertebrates | species | 37951 | click here |
| aepyceros melampus | Yes | species | eukaryota | mammals | species | 9897 | click here |
| agapanthus | Yes | | | plants | genus | 51426 | click here |
| agave | Yes | | | plants | genus | 39509 | click here |
| agelaius phoeniceus | Yes | species | eukaryota | vertebrates | species | 39638 | click here |
| agrotis ipsilon | Yes | species | eukaryota | invertebrates | species | 56364 | click here |
| alcea rosea | Yes | species | eukaryota | plants | species | 65557 | click here |
| alcedo cristata | Yes | species | eukaryota | vertebrates | species | 85095 | click here |
| alcelaphus buselaphus | Yes | species | eukaryota | mammals | species | 59517 | click here |
| allium sativum | Yes | species | eukaryota | plants | species | 4682 | click here |
| alopecurus myosuroides | Yes | species | eukaryota | plants | species | 81473 | click here |
| alouatta palliata | Yes | species | eukaryota | primates | species | 30589 | click here |
| alouatta pigra | Yes | species | eukaryota | primates | species | 182253 | click here |
| ambloplites rupestris | Yes | species | eukaryota | vertebrates | species | 109273 | click here |
| amblyomma | Yes | | | invertebrates | genus | 6942 | click here |
| amblyomma americanum | Yes | species | eukaryota | invertebrates | species | 6943 | click here |
| amblyomma ovale | Yes | species | eukaryota | invertebrates | species | 208206 | click here |
| ameiurus melas | Yes | species | eukaryota | vertebrates | species | 219545 | click here |
| ameiva ameiva | Yes | species | eukaryota | vertebrates | species | 8535 | click here |
| ammodytes personatus | Yes | species | eukaryota | vertebrates | species | 215382 | click here |
| anatinae | Yes | subfamily | | | subfamily | 2068716 | click here |
| anguilla anguilla | Yes | species | eukaryota | vertebrates | species | 7936 | click here |
| anguilla rostrata | Yes | species | eukaryota | vertebrates | species | 7938 | click here |
| anguilliformes | Yes | | | vertebrates | order | 7933 | click here |
| anopheles algeriensis | Yes | species | | | species | 1411912 | click here |
| anopheles annulipes | Yes | species | eukaryota | invertebrates | species | 376584 | click here |
| anopheles bancroftii | Yes | species | eukaryota | invertebrates | species | 59136 | click here |
| anopheles quadrimaculatus | Yes | species | eukaryota | invertebrates | species | 7166 | click here |
| anopheles sacharovi | Yes | species | eukaryota | invertebrates | species | 72408 | click here |
| anopheles sinensis | Yes | species | eukaryota | invertebrates | species | 74873 | click here |
| antilocapra americana | Yes | species | eukaryota | mammals | species | 9891 | click here |
| antricola delacruzi | Yes | species | eukaryota | invertebrates | species | 480319 | click here |
| antrozous pallidus | Yes | species | eukaryota | mammals | species | 9440 | click here |
| aotus trivirgatus | Yes | species | eukaryota | primates | species | 9505 | click here |
| aphis idaei | Yes | species | eukaryota | invertebrates | species | 345556 | click here |
| apis mellifera | Yes | species | eukaryota | invertebrates | species | 7460 | 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 sylvaticus | Yes | species | eukaryota | rodents | species | 10129 | click here |
| argas miniatus | Yes | species | | | species | 1442166 | click here |
| argentina sphyraena | Yes | species | eukaryota | vertebrates | species | 442169 | click here |
| armigeres obturbans | Yes | species | eukaryota | invertebrates | species | 149458 | click here |
| artibeus | Yes | | | mammals | genus | 9416 | click here |
| artibeus cinereus | Yes | species | eukaryota | mammals | species | 40224 | click here |
| artibeus fimbriatus | Yes | species | eukaryota | mammals | species | 51010 | click here |
| artibeus intermedius | Yes | species | eukaryota | mammals | species | 51014 | click here |
| artibeus jamaicensis | Yes | species | eukaryota | mammals | species | 9417 | click here |
| artibeus lituratus | Yes | species | eukaryota | mammals | species | 27634 | click here |
| artibeus phaeotis | Yes | species | eukaryota | mammals | species | 40229 | click here |
| artibeus planirostris | Yes | species | eukaryota | mammals | species | 40230 | click here |
| arvicola amphibius | Yes | species | | | species | 1047088 | click here |
| ascaris suum | Yes | species | eukaryota | invertebrates | species | 6253 | click here |
| aspidistra elatior | Yes | species | eukaryota | plants | species | 39526 | click here |
| atelerix albiventris | Yes | species | eukaryota | mammals | species | 9368 | click here |
| atilax paludinosus | Yes | species | eukaryota | mammals | species | 210642 | click here |
| austroagallia caboverdensis | Yes | species | | | species | 2558321 | click here |
| aves | Yes | | | vertebrates | class | 8782 | click here |
| axis axis | Yes | species | eukaryota | mammals | species | 30531 | click here |
| bacopa monnieri | Yes | species | eukaryota | plants | species | 263974 | click here |
| bactrocera dorsalis | Yes | species | eukaryota | invertebrates | species | 27457 | click here |
| baiomys taylori | Yes | species | eukaryota | rodents | species | 56219 | click here |
| barbastella barbastellus | Yes | species | eukaryota | mammals | species | 59449 | click here |
| barbus barbus | Yes | species | eukaryota | vertebrates | species | 40830 | click here |
| bassaricyon gabbii | Yes | species | eukaryota | mammals | species | 48422 | click here |
| bassariscus astutus | Yes | species | eukaryota | mammals | species | 55047 | click here |
| bison bison | Yes | species | eukaryota | mammals | species | 9901 | click here |
| bison bison bison | Yes | subspecies | | | subspecies | 43346 | click here |
| blicca bjoerkna | Yes | species | eukaryota | vertebrates | species | 58317 | click here |
| bombus impatiens | Yes | species | eukaryota | invertebrates | species | 132113 | click here |
| bombyx mori | Yes | species | eukaryota | invertebrates | species | 7091 | click here |
| boophilus | Yes | | | invertebrates | subgenus | 6940 | 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 |
| boselaphus tragocamelus | Yes | species | eukaryota | mammals | species | 9917 | click here |
| bovidae | Yes | | | mammals | family | 9895 | click here |
| bovinae | Yes | | | mammals | subfamily | 27592 | click here |
| brachymystax lenok | Yes | species | eukaryota | vertebrates | species | 62067 | click here |
| bradypus variegatus | Yes | species | eukaryota | mammals | species | 9355 | click here |
| branta canadensis | Yes | species | eukaryota | vertebrates | species | 8853 | click here |
| broussonetia papyrifera | Yes | species | eukaryota | plants | species | 172644 | click here |
| bubalus bubalis | Yes | species | eukaryota | mammals | species | 89462 | click here |
| cabassous centralis | Yes | species | | | species | 1756215 | click here |
| caenodelphax teapae | Yes | species | eukaryota | invertebrates | species | 984400 | click here |
| calanthe triplicata | Yes | species | eukaryota | plants | species | 256348 | click here |
| caligus rogercresseyi | Yes | species | eukaryota | invertebrates | species | 217165 | click here |
| callithrix geoffroyi | Yes | species | eukaryota | primates | species | 52231 | click here |
| callithrix jacchus | Yes | species | eukaryota | primates | species | 9483 | click here |
| calomys musculinus | Yes | species | eukaryota | rodents | species | 56212 | click here |
| caluromys derbianus | Yes | species | eukaryota | mammals | species | 992409 | click here |