| acanthogorgia sp. | Yes | no rank | eukaryota | invertebrates | species | 44190 | click here |
| acropora | Yes | | | invertebrates | genus | 6127 | click here |
| alburnus arborella | Yes | species | eukaryota | vertebrates | species | 563156 | click here |
| alligator mississippiensis | Yes | species | eukaryota | vertebrates | species | 8496 | click here |
| alosa alosa | Yes | species | eukaryota | vertebrates | species | 278164 | click here |
| amatitlania nigrofasciata | Yes | species | eukaryota | vertebrates | species | 74111 | click here |
| ambloplites rupestris | Yes | species | eukaryota | vertebrates | species | 109273 | click here |
| ameiurus nebulosus | Yes | species | eukaryota | vertebrates | species | 27778 | click here |
| amia calva | Yes | species | eukaryota | vertebrates | species | 7924 | click here |
| anas clypeata | Yes | species | eukaryota | vertebrates | species | 75838 | click here |
| anas crecca | Yes | species | eukaryota | vertebrates | species | 75839 | click here |
| anas cyanoptera | Yes | species | eukaryota | vertebrates | species | 75840 | click here |
| anas diazi | Yes | species | eukaryota | vertebrates | species | 75841 | click here |
| anas platyrhynchos | Yes | species | eukaryota | vertebrates | species | 8839 | click here |
| anguilla anguilla | Yes | species | eukaryota | vertebrates | species | 7936 | click here |
| anhinga anhinga | Yes | species | eukaryota | vertebrates | species | 56067 | click here |
| anisotremus interruptus | Yes | species | eukaryota | vertebrates | species | 531320 | click here |
| anser anser domesticus | Yes | subspecies | eukaryota | vertebrates | subspecies | 8848 | click here |
| anser cygnoides | Yes | species | eukaryota | vertebrates | species | 8845 | click here |
| antipatharia | Yes | | | invertebrates | order | 44168 | click here |
| aplodinotus grunniens | Yes | species | eukaryota | vertebrates | species | 225389 | click here |
| archocentrus centrarchus | Yes | species | eukaryota | vertebrates | species | 63155 | click here |
| arctocephalus australis | Yes | species | eukaryota | mammals | species | 161928 | click here |
| ardea alba | Yes | species | eukaryota | vertebrates | species | 110620 | click here |
| ardea herodias | Yes | species | eukaryota | vertebrates | species | 56072 | click here |
| arthropoda | Yes | | | invertebrates | phylum | 6656 | click here |
| asellus aquaticus | Yes | species | eukaryota | invertebrates | species | 92525 | click here |
| astacus astacus | Yes | species | eukaryota | invertebrates | species | 6715 | click here |
| astropecten indicus | Yes | species | eukaryota | invertebrates | species | 563624 | click here |
| austropotamobius italicus meridionalis | Yes | subspecies | eukaryota | invertebrates | subspecies | 478650 | click here |
| austropotamobius pallipes | Yes | species | eukaryota | invertebrates | species | 94943 | click here |
| austropotamobius torrentium | Yes | species | eukaryota | invertebrates | species | 94942 | click here |
| awaous banana | Yes | species | eukaryota | vertebrates | species | 621459 | click here |
| aythya affinis | Yes | species | eukaryota | vertebrates | species | 189533 | click here |
| aythya americana | Yes | species | eukaryota | vertebrates | species | 30385 | click here |
| aythya marila | Yes | species | eukaryota | vertebrates | species | 189534 | click here |
| babka gymnotrachelus | Yes | species | eukaryota | vertebrates | species | 320567 | click here |
| balaenoptera acutorostrata | Yes | species | eukaryota | mammals | species | 9767 | click here |
| balaenoptera physalus | Yes | species | eukaryota | mammals | species | 9770 | click here |
| ballerus sapa | Yes | species | eukaryota | vertebrates | species | 155073 | click here |
| barbatula barbatula | Yes | species | eukaryota | vertebrates | species | 135647 | click here |
| barbus | Yes | | | vertebrates | genus | 40829 | click here |
| barbus balcanicus | Yes | species | eukaryota | vertebrates | species | 467341 | click here |
| barbus barbus | Yes | species | eukaryota | vertebrates | species | 40830 | click here |
| barbus carpathicus | Yes | species | | | species | 1041399 | click here |
| barbus petenyi | Yes | species | eukaryota | vertebrates | species | 118662 | click here |
| barbus plebejus | Yes | species | eukaryota | vertebrates | species | 117137 | click here |
| barbus tyberinus | Yes | species | eukaryota | vertebrates | species | 117140 | click here |
| bathymodiolus sp. | Yes | no rank | eukaryota | invertebrates | species | 91706 | click here |
| bathymodiolus thermophilus | Yes | species | eukaryota | invertebrates | species | 12966 | click here |
| bison bonasus | Yes | species | eukaryota | mammals | species | 9902 | click here |
| bivalvia | Yes | | | invertebrates | class | 6544 | click here |
| blarina brevicauda | Yes | species | eukaryota | mammals | species | 9387 | click here |
| blattella germanica | Yes | species | eukaryota | invertebrates | species | 6973 | click here |
| blicca bjoerkna | Yes | species | eukaryota | vertebrates | species | 58317 | click here |
| bos primigenius | Yes | species | eukaryota | mammals | species | 9909 | click here |
| bos taurus | Yes | species | eukaryota | mammals | species | 9913 | click here |
| botaurus lentiginosus | Yes | species | eukaryota | vertebrates | species | 110661 | click here |
| bovinae | Yes | | | mammals | subfamily | 27592 | click here |
| brachymystax lenok | Yes | species | eukaryota | vertebrates | species | 62067 | click here |
| brachymystax tumensis | Yes | species | | | species | 1302316 | click here |
| bubalus bubalis | Yes | species | eukaryota | mammals | species | 89462 | click here |
| bucephala albeola | Yes | species | eukaryota | vertebrates | species | 279934 | click here |
| bucephala clangula | Yes | species | eukaryota | vertebrates | species | 107022 | click here |
| bucephala islandica | Yes | species | eukaryota | vertebrates | species | 40833 | click here |
| bufo japonicus formosus | Yes | subspecies | eukaryota | vertebrates | subspecies | 400544 | click here |
| butorides virescens | Yes | species | eukaryota | vertebrates | species | 110671 | click here |
| caiman crocodilus | Yes | species | eukaryota | vertebrates | species | 8499 | click here |
| caiman yacare | Yes | species | eukaryota | vertebrates | species | 141269 | click here |
| callithrix kuhlii | Yes | species | | | species | 867363 | click here |
| callorhinus ursinus | Yes | species | eukaryota | mammals | species | 34884 | click here |
| calonectris diomedea | Yes | species | eukaryota | vertebrates | species | 52122 | click here |
| candidella imbricata | Yes | species | eukaryota | invertebrates | species | 500566 | click here |
| canis aureus | Yes | species | eukaryota | mammals | species | 68724 | click here |
| canis latrans | Yes | species | eukaryota | mammals | species | 9614 | click here |
| canis lupus | Yes | species | eukaryota | mammals | species | 9612 | click here |
| canis lupus familiaris | Yes | subspecies | eukaryota | mammals | subspecies | 9615 | click here |
| capoeta aculeata | Yes | species | | | species | 643333 | click here |
| caprella | Yes | | | invertebrates | genus | 244428 | click here |
| caranx ignobilis | Yes | species | eukaryota | vertebrates | species | 376895 | click here |
| carcinus maenas | Yes | species | eukaryota | invertebrates | species | 6759 | click here |
| carcinus moenas | Yes | species | | | species | | click here |
| caretta caretta | Yes | species | eukaryota | vertebrates | species | 8467 | click here |
| catostomus commersonii | Yes | species | eukaryota | vertebrates | species | 7971 | click here |
| catostomus macrocheilus | Yes | species | eukaryota | vertebrates | species | 43957 | click here |
| cebus albifrons | Yes | species | eukaryota | primates | species | 9514 | click here |
| centropus sinensis | Yes | species | eukaryota | vertebrates | species | 57402 | click here |
| cephalorhynchus eutropia | Yes | species | eukaryota | mammals | species | 27608 | click here |
| cerianthus | Yes | | | invertebrates | genus | 44172 | click here |
| cerianthus sp. | Yes | no rank | eukaryota | invertebrates | species | 51771 | click here |
| certonardoa semiregularis | Yes | species | eukaryota | invertebrates | species | 60563 | click here |
| channa punctata | Yes | species | eukaryota | vertebrates | species | 304456 | click here |
| channa striata | Yes | species | eukaryota | vertebrates | species | 64152 | click here |
| cheilodactylus variegatus | Yes | species | eukaryota | vertebrates | species | 274805 | click here |
| chelonia mydas | Yes | species | eukaryota | vertebrates | species | 8469 | click here |
| chelonia mydas agassizi | Yes | subspecies | eukaryota | vertebrates | subspecies | 673462 | click here |
| chelydra serpentina | Yes | species | eukaryota | vertebrates | species | 8475 | click here |
| chicobolus spinigerus | Yes | species | eukaryota | invertebrates | species | 555196 | click here |
| chlorocebus sabaeus | Yes | species | eukaryota | primates | species | 60711 | click here |
| chlorostoma funebralis | Yes | species | eukaryota | invertebrates | species | 80350 | click here |