| aaptos aaptos | Yes | species | eukaryota | invertebrates | species | 253165 | click here |
| aedes aegypti | Yes | species | eukaryota | invertebrates | species | 7159 | click here |
| aedes cinereus | Yes | species | eukaryota | invertebrates | species | 120872 | click here |
| aedes geniculatus | Yes | species | eukaryota | invertebrates | species | 120874 | click here |
| aedes vexans | Yes | species | eukaryota | invertebrates | species | 7163 | click here |
| aepyceros melampus | Yes | species | eukaryota | mammals | species | 9897 | click here |
| agelas dilatata | Yes | species | eukaryota | invertebrates | species | 333313 | click here |
| ailuropoda melanoleuca | Yes | species | eukaryota | mammals | species | 9646 | click here |
| ailurus fulgens | Yes | species | eukaryota | mammals | species | 9649 | click here |
| alces alces | Yes | species | eukaryota | mammals | species | 9852 | click here |
| alouatta caraya | Yes | species | eukaryota | primates | species | 9502 | click here |
| alvinella pompejana | Yes | species | eukaryota | invertebrates | species | 6376 | click here |
| amblyomma | Yes | | | invertebrates | genus | 6942 | click here |
| amblyomma americanum | Yes | species | eukaryota | invertebrates | species | 6943 | click here |
| amblyomma brasiliense | Yes | species | eukaryota | invertebrates | species | 257691 | click here |
| amblyomma cajennense | Yes | species | eukaryota | invertebrates | species | 34607 | click here |
| amblyomma calcaratum | Yes | species | eukaryota | invertebrates | species | 231478 | click here |
| amblyomma cohaerens | Yes | species | | | species | 1210879 | click here |
| amblyomma dissimile | Yes | species | eukaryota | invertebrates | species | 251381 | click here |
| amblyomma geoemydae | Yes | species | | | species | 1325863 | click here |
| amblyomma gervaisi | Yes | species | | | species | 1987576 | click here |
| amblyomma hebraeum | Yes | species | eukaryota | invertebrates | species | 34608 | click here |
| amblyomma helvolum | Yes | species | | | species | 1274520 | click here |
| amblyomma inornatum | Yes | species | | | species | 1664859 | click here |
| amblyomma javanense | Yes | species | | | species | 1658007 | click here |
| amblyomma latum | Yes | species | eukaryota | invertebrates | species | 34617 | click here |
| amblyomma longirostre | Yes | species | eukaryota | invertebrates | species | 251386 | click here |
| amblyomma maculatum | Yes | species | eukaryota | invertebrates | species | 34609 | click here |
| amblyomma parvum | Yes | species | eukaryota | invertebrates | species | 251391 | click here |
| amblyomma sculptum | Yes | species | | | species | 1581419 | click here |
| amblyomma testudinarium | Yes | species | eukaryota | invertebrates | species | 375577 | click here |
| amblyomma varanense | Yes | species | | | species | 1274518 | click here |
| amblyomma variegatum | Yes | species | eukaryota | invertebrates | species | 34610 | click here |
| amitermes | Yes | | | invertebrates | genus | 187510 | click here |
| amphibia | Yes | | | vertebrates | class | 8292 | click here |
| anas platyrhynchos | Yes | species | eukaryota | vertebrates | species | 8839 | click here |
| anas platyrhynchos platyrhynchos | Yes | subspecies | eukaryota | vertebrates | subspecies | 8840 | click here |
| anaxyrus americanus | Yes | species | eukaryota | vertebrates | species | 8389 | click here |
| anolis carolinensis | Yes | species | eukaryota | vertebrates | species | 28377 | click here |
| anolis sagrei | Yes | species | eukaryota | vertebrates | species | 38937 | click here |
| anser anser | Yes | species | eukaryota | vertebrates | species | 8843 | click here |
| anser caerulescens | Yes | species | eukaryota | vertebrates | species | 8849 | click here |
| anser caerulescens caerulescens | Yes | subspecies | eukaryota | vertebrates | subspecies | 70340 | click here |
| anthozoa | Yes | | | invertebrates | class | 6101 | click here |
| anthus trivialis | Yes | species | eukaryota | vertebrates | species | 45804 | click here |
| antilocapra americana | Yes | species | eukaryota | mammals | species | 9891 | click here |
| anura | Yes | | | vertebrates | order | 8342 | click here |
| aotus trivirgatus | Yes | species | eukaryota | primates | species | 9505 | click here |
| aplysina aerophoba | Yes | species | eukaryota | invertebrates | species | 289389 | click here |
| apodemus | Yes | | | rodents | genus | 10128 | click here |
| apodemus agrarius | Yes | species | eukaryota | rodents | species | 39030 | click here |
| apodemus chevrieri | Yes | species | eukaryota | rodents | species | 129246 | click here |
| apodemus draco | Yes | species | eukaryota | rodents | species | 129247 | click here |
| apodemus flavicollis | Yes | species | eukaryota | rodents | species | 54292 | click here |
| apodemus latronum | Yes | species | eukaryota | rodents | species | 214933 | 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 |
| apodemus uralensis | Yes | species | eukaryota | rodents | species | 134910 | click here |
| aptenodytes patagonicus | Yes | species | eukaryota | vertebrates | species | 9234 | click here |
| arctica islandica | Yes | species | eukaryota | invertebrates | species | 59239 | click here |
| arctocephalus australis | Yes | species | eukaryota | mammals | species | 161928 | click here |
| arctocephalus forsteri | Yes | species | eukaryota | mammals | species | 29084 | click here |
| argas africolumbae | Yes | species | | | species | 1210872 | click here |
| argas miniatus | Yes | species | | | species | 1442166 | click here |
| argas persicus | Yes | species | eukaryota | invertebrates | species | 34603 | click here |
| argas reflexus | Yes | species | eukaryota | invertebrates | species | 34604 | click here |
| argasidae | Yes | | | invertebrates | family | 6936 | click here |
| armadillo | Yes | | | invertebrates | genus | 96820 | click here |
| artibeus | Yes | | | mammals | genus | 9416 | click here |
| artibeus lituratus | Yes | species | eukaryota | mammals | species | 27634 | click here |
| arvicanthis niloticus | Yes | species | eukaryota | rodents | species | 61156 | click here |
| arvicola amphibius | Yes | species | | | species | 1047088 | click here |
| arvicola scherman | Yes | species | | | species | 1276134 | click here |
| aspidoscelis sexlineata | Yes | species | eukaryota | vertebrates | species | 68356 | click here |
| aves | Yes | | | vertebrates | class | 8782 | click here |
| axinella corrugata | Yes | species | eukaryota | invertebrates | species | 153946 | click here |
| axis axis | Yes | species | eukaryota | mammals | species | 30531 | click here |
| bactrocera minax | Yes | species | eukaryota | invertebrates | species | 104690 | click here |
| baeolophus inornatus | Yes | species | eukaryota | vertebrates | species | 142467 | click here |
| balaena mysticetus | Yes | species | eukaryota | mammals | species | 27602 | click here |
| bandicota bengalensis | Yes | species | eukaryota | rodents | species | 69079 | click here |
| bandicota indica | Yes | species | eukaryota | rodents | species | 456472 | click here |
| bathymodiolus manusensis | Yes | species | eukaryota | invertebrates | species | 857502 | click here |
| berylmys berdmorei | Yes | species | eukaryota | rodents | species | 595394 | click here |
| berylmys bowersi | Yes | species | eukaryota | rodents | species | 83759 | click here |
| bison bison | Yes | species | eukaryota | mammals | species | 9901 | click here |
| bison bison bison | Yes | subspecies | | | subspecies | 43346 | click here |
| bison bonasus | Yes | species | eukaryota | mammals | species | 9902 | click here |
| blarina brevicauda | Yes | species | eukaryota | mammals | species | 9387 | click here |
| blastocerus dichotomus | Yes | species | eukaryota | mammals | species | 248133 | click here |
| boa constrictor | Yes | species | eukaryota | vertebrates | species | 8574 | click here |
| bombina orientalis | Yes | species | eukaryota | vertebrates | species | 8346 | 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 sp. | Yes | no rank | eukaryota | mammals | species | 29061 | click here |
| bos taurus | Yes | species | eukaryota | mammals | species | 9913 | click here |
| bothriocroton concolor | Yes | species | eukaryota | invertebrates | species | 65640 | click here |
| bothriocroton undatum | Yes | species | eukaryota | invertebrates | species | 65642 | click here |