| abramis brama | Yes | species | eukaryota | vertebrates | species | 38527 | click here |
| abrothrix longipilis | Yes | species | eukaryota | rodents | species | 29094 | click here |
| abrothrix olivaceus | Yes | species | eukaryota | rodents | species | 29098 | click here |
| abrothrix sanborni | Yes | species | | | species | 682468 | click here |
| acanthodactylus boskianus | Yes | species | eukaryota | vertebrates | species | 111507 | click here |
| acanthodactylus erythrurus belli | Yes | subspecies | eukaryota | vertebrates | subspecies | 282408 | click here |
| accipiter cooperii | Yes | species | eukaryota | vertebrates | species | 261198 | click here |
| accipiter gentilis | Yes | species | eukaryota | vertebrates | species | 8957 | click here |
| accipiter nisus | Yes | species | eukaryota | vertebrates | species | 211598 | click here |
| accipiter striatus | Yes | species | eukaryota | vertebrates | species | 56330 | click here |
| acinonyx jubatus | Yes | species | eukaryota | mammals | species | 32536 | click here |
| acomys dimidiatus | Yes | species | eukaryota | rodents | species | 60744 | click here |
| acomys russatus | Yes | species | eukaryota | rodents | species | 60746 | click here |
| acomys sp. | Yes | no rank | eukaryota | rodents | species | 60743 | click here |
| acridotheres cristatellus | Yes | species | eukaryota | vertebrates | species | 451382 | click here |
| acridotheres tristis | Yes | species | eukaryota | vertebrates | species | 279927 | click here |
| acrocephalus arundinaceus | Yes | species | eukaryota | vertebrates | species | 39621 | click here |
| acrocephalus palustris | Yes | species | eukaryota | vertebrates | species | 68475 | click here |
| acrocephalus schoenobaenus | Yes | species | eukaryota | vertebrates | species | 52609 | click here |
| acrocephalus scirpaceus | Yes | species | eukaryota | vertebrates | species | 48156 | click here |
| aegolius funereus | Yes | species | eukaryota | vertebrates | species | 103375 | click here |
| aegypius monachus | Yes | species | eukaryota | vertebrates | species | 8959 | click here |
| aepyceros melampus | Yes | species | eukaryota | mammals | species | 9897 | click here |
| afrixalus fornasini | Yes | species | eukaryota | vertebrates | species | 39600 | click here |
| agapornis | Yes | | | vertebrates | genus | 60461 | click here |
| agapornis roseicollis | Yes | species | eukaryota | vertebrates | species | 60468 | click here |
| agelaius phoeniceus | Yes | species | eukaryota | vertebrates | species | 39638 | click here |
| ailuropoda melanoleuca | Yes | species | eukaryota | mammals | species | 9646 | click here |
| ailurus fulgens | Yes | species | eukaryota | mammals | species | 9649 | click here |
| aix galericulata | Yes | species | eukaryota | vertebrates | species | 8832 | click here |
| akodon | Yes | | | rodents | genus | 10069 | click here |
| akodon montensis | Yes | species | eukaryota | rodents | species | 106112 | click here |
| akodon torques | Yes | species | eukaryota | rodents | species | 10078 | click here |
| alauda gulgula | Yes | species | eukaryota | vertebrates | species | 592173 | click here |
| alcelaphus buselaphus cokei | Yes | subspecies | eukaryota | mammals | subspecies | 101644 | click here |
| alces alces | Yes | species | eukaryota | mammals | species | 9852 | click here |
| alces alces alces | Yes | subspecies | eukaryota | mammals | subspecies | 9853 | click here |
| alces americanus | Yes | species | eukaryota | mammals | species | 999462 | click here |
| alectoris chukar | Yes | species | eukaryota | vertebrates | species | 9078 | click here |
| alectoris graeca | Yes | species | eukaryota | vertebrates | species | 40178 | click here |
| alectoris rufa | Yes | species | eukaryota | vertebrates | species | 9079 | click here |
| alligator sinensis | Yes | species | eukaryota | vertebrates | species | 38654 | click here |
| alosa pseudoharengus | Yes | species | eukaryota | vertebrates | species | 34774 | click here |
| alouatta belzebul | Yes | species | eukaryota | primates | species | 30590 | click here |
| alouatta caraya | Yes | species | eukaryota | primates | species | 9502 | click here |
| alouatta palliata | Yes | species | eukaryota | primates | species | 30589 | click here |
| alouatta seniculus | Yes | species | eukaryota | primates | species | 9503 | click here |
| amazona aestiva | Yes | species | eukaryota | vertebrates | species | 12930 | click here |
| amazona vinacea | Yes | species | eukaryota | vertebrates | species | 244084 | click here |
| amazona viridigenalis | Yes | species | eukaryota | vertebrates | species | 229552 | click here |
| amblyomma americanum | Yes | species | eukaryota | invertebrates | species | 6943 | click here |
| amblyomma cajennense | Yes | species | eukaryota | invertebrates | species | 34607 | click here |
| amblyomma dissimile | Yes | species | eukaryota | invertebrates | species | 251381 | click here |
| amblyomma fimbriatum | Yes | species | eukaryota | invertebrates | species | 65641 | click here |
| amblyomma helvolum | Yes | species | | | species | 1274520 | click here |
| amblyomma nitidum | Yes | species | | | species | 1325864 | click here |
| amblyomma rotundatum | Yes | species | eukaryota | invertebrates | species | 251395 | click here |
| amblyomma sculptum | Yes | species | | | species | 1581419 | click here |
| amblyomma sparsum | Yes | species | eukaryota | invertebrates | species | 127003 | click here |
| amblyomma testudinarium | Yes | species | eukaryota | invertebrates | species | 375577 | click here |
| amblyrhynchus cristatus | Yes | species | eukaryota | vertebrates | species | 51208 | click here |
| amietia delalandii | Yes | species | | | species | 1896327 | click here |
| amietia quecketti | Yes | species | | | species | 1324316 | click here |
| amietophrynus garmani | Yes | species | eukaryota | vertebrates | species | 47549 | click here |
| amietophrynus gutturalis | Yes | species | eukaryota | vertebrates | species | 119762 | click here |
| ammotragus lervia | Yes | species | eukaryota | mammals | species | 9899 | click here |
| anas acuta | Yes | species | eukaryota | vertebrates | species | 28680 | click here |
| anas clypeata | Yes | species | eukaryota | vertebrates | species | 75838 | click here |
| anas crecca | Yes | species | eukaryota | vertebrates | species | 75839 | click here |
| anas diazi | Yes | species | eukaryota | vertebrates | species | 75841 | click here |
| anas formosa | Yes | species | eukaryota | vertebrates | species | 56278 | click here |
| anas platyrhynchos | Yes | species | eukaryota | vertebrates | species | 8839 | click here |
| anas platyrhynchos platyrhynchos | Yes | subspecies | eukaryota | vertebrates | subspecies | 8840 | click here |
| anas rubripes | Yes | species | eukaryota | vertebrates | species | 75857 | click here |
| anas sp. | Yes | no rank | eukaryota | vertebrates | species | 42806 | click here |
| anguilla anguilla | Yes | species | eukaryota | vertebrates | species | 7936 | click here |
| anolis carolinensis | Yes | species | eukaryota | vertebrates | species | 28377 | click here |
| anser albifrons | Yes | species | eukaryota | vertebrates | species | 50365 | click here |
| anser anser | Yes | species | eukaryota | vertebrates | species | 8843 | click here |
| anser anser anser | Yes | subspecies | eukaryota | vertebrates | subspecies | 8844 | click here |
| anser anser domesticus | Yes | subspecies | eukaryota | vertebrates | subspecies | 8848 | click here |
| anser brachyrhynchus | Yes | species | eukaryota | vertebrates | species | 132585 | click here |
| anser caerulescens | Yes | species | eukaryota | vertebrates | species | 8849 | click here |
| anser caerulescens caerulescens | Yes | subspecies | eukaryota | vertebrates | subspecies | 70340 | click here |
| anser cygnoides | Yes | species | eukaryota | vertebrates | species | 8845 | click here |
| anser rossii | Yes | species | eukaryota | vertebrates | species | 56281 | click here |
| anser sp. | Yes | no rank | eukaryota | vertebrates | species | 8847 | click here |
| anseranas semipalmata | Yes | species | eukaryota | vertebrates | species | 8851 | click here |
| antaresia maculosa | Yes | species | eukaryota | vertebrates | species | 51891 | click here |
| antechinus flavipes | Yes | species | eukaryota | mammals | species | 38775 | click here |
| antechinus stuartii | Yes | species | eukaryota | mammals | species | 9283 | click here |
| anthochaera carunculata | Yes | species | eukaryota | vertebrates | species | 266366 | click here |
| antigone vipio | Yes | species | | | species | 2717088 | click here |
| antilocapra americana | Yes | species | eukaryota | mammals | species | 9891 | click here |
| antilope cervicapra | Yes | species | eukaryota | mammals | species | 59525 | click here |
| aotus azarai | Yes | species | eukaryota | primates | species | 30591 | click here |
| aotus nigriceps | Yes | species | eukaryota | primates | species | 57175 | click here |
| aotus trivirgatus | Yes | species | eukaryota | primates | species | 9505 | click here |
| apis mellifera | Yes | species | eukaryota | invertebrates | species | 7460 | click here |
| apodemus | Yes | | | rodents | genus | 10128 | click here |