| cancer pagurus | Yes | species | eukaryota | invertebrates | species | 6755 | click here |
| canidae | Yes | | | mammals | family | 9608 | click here |
| canis lupus familiaris | Yes | subspecies | eukaryota | mammals | subspecies | 9615 | click here |
| canis lupus signatus | Yes | subspecies | eukaryota | mammals | subspecies | 425934 | click here |
| cannabis sativa | Yes | species | eukaryota | plants | species | 3483 | click here |
| capra hircus | Yes | species | eukaryota | mammals | species | 9925 | click here |
| capsicum annuum | Yes | species | eukaryota | plants | species | 4072 | click here |
| carassius carassius | Yes | species | eukaryota | vertebrates | species | 217509 | click here |
| carcinus maenas | Yes | species | eukaryota | invertebrates | species | 6759 | click here |
| catfish | Yes | no rank | eukaryota | vertebrates | species | 71179 | click here |
| catla catla | Yes | species | eukaryota | vertebrates | species | 72446 | click here |
| chamerion angustifolium | Yes | species | eukaryota | plants | species | 13055 | click here |
| channa argus | Yes | species | eukaryota | vertebrates | species | 215402 | click here |
| channa striata | Yes | species | eukaryota | vertebrates | species | 64152 | click here |
| chelonia mydas | Yes | species | eukaryota | vertebrates | species | 8469 | click here |
| chilo suppressalis | Yes | species | eukaryota | invertebrates | species | 168631 | click here |
| chilopoda | Yes | | | invertebrates | class | 7540 | click here |
| chiroptera | Yes | | | mammals | order | 9397 | click here |
| chlorophytum borivilianum | Yes | species | eukaryota | plants | species | 503355 | click here |
| choristoneura fumiferana | Yes | species | eukaryota | invertebrates | species | 7141 | click here |
| chromodoris quadricolor | Yes | species | eukaryota | invertebrates | species | 76164 | click here |
| chrysoperla zastrowi | Yes | species | eukaryota | invertebrates | species | 417543 | click here |
| cicer arietinum | Yes | species | eukaryota | plants | species | 3827 | click here |
| cinachyrella schulzei | Yes | species | eukaryota | invertebrates | species | 885871 | click here |
| cirrhinus mrigala | Yes | species | eukaryota | vertebrates | species | 683832 | click here |
| citrullus lanatus subsp. vulgaris | Yes | subspecies | eukaryota | plants | subspecies | 260674 | click here |
| citrus | Yes | | | plants | genus | 2706 | click here |
| clanga pomarina | Yes | species | | | species | 2675520 | click here |
| clangula hyemalis | Yes | species | eukaryota | vertebrates | species | 197941 | click here |
| clarias gariepinus | Yes | species | eukaryota | vertebrates | species | 13013 | click here |
| cnaphalocrocis medinalis | Yes | species | eukaryota | invertebrates | species | 437488 | click here |
| coffea arabica | Yes | species | eukaryota | plants | species | 13443 | click here |
| cololabis saira | Yes | species | eukaryota | vertebrates | species | 129043 | click here |
| colossoma macropomum | Yes | species | eukaryota | vertebrates | species | 42526 | click here |
| colpomenia sinuosa | Yes | species | eukaryota | plants | species | 87236 | click here |
| columba livia | Yes | species | eukaryota | vertebrates | species | 8932 | click here |
| columba palumbus | Yes | species | eukaryota | vertebrates | species | 8934 | click here |
| columbidae | Yes | | | vertebrates | family | 8930 | click here |
| comadia redtenbacheri | Yes | species | | | species | 1219103 | click here |
| coptotermes formosanus | Yes | species | eukaryota | invertebrates | species | 36987 | click here |
| coracias garrulus | Yes | species | eukaryota | vertebrates | species | 188338 | click here |
| coragyps atratus | Yes | species | eukaryota | vertebrates | species | 33614 | click here |
| corallus caninus | Yes | species | eukaryota | vertebrates | species | 51861 | click here |
| corcyra cephalonica | Yes | species | eukaryota | invertebrates | species | 139036 | click here |
| corvus | Yes | | | vertebrates | genus | 30420 | click here |
| corvus corone | Yes | species | eukaryota | vertebrates | species | 30422 | click here |
| corvus frugilegus | Yes | species | eukaryota | vertebrates | species | 75140 | click here |
| coturnix coturnix | Yes | species | eukaryota | vertebrates | species | 9091 | click here |
| crocodylus palustris | Yes | species | eukaryota | vertebrates | species | 184238 | click here |
| crossoptilon mantchuricum | Yes | species | eukaryota | vertebrates | species | 9097 | click here |
| crotalus horridus | Yes | species | eukaryota | vertebrates | species | 35024 | click here |
| crustacea | Yes | | | invertebrates | subphylum | 6657 | click here |
| ctenopharyngodon idella | Yes | species | eukaryota | vertebrates | species | 7959 | click here |
| cucumis sativus | Yes | species | eukaryota | plants | species | 3659 | click here |
| culex pipiens | Yes | species | eukaryota | invertebrates | species | 7175 | click here |
| culex quinquefasciatus | Yes | species | eukaryota | invertebrates | species | 7176 | click here |
| curcuma amada | Yes | species | eukaryota | plants | species | 105371 | click here |
| cygnus | Yes | | | vertebrates | genus | 8867 | click here |
| cyprinus carpio | Yes | species | eukaryota | vertebrates | species | 7962 | click here |
| dactylospongia | Yes | | | | genus | 1162778 | click here |
| danaus plexippus | Yes | species | eukaryota | invertebrates | species | 13037 | click here |
| daucus carota | Yes | species | eukaryota | plants | species | 4039 | click here |
| daucus carota subsp. sativus | Yes | subspecies | eukaryota | plants | subspecies | 79200 | click here |
| decapoda | Yes | | | invertebrates | order | 6683 | click here |
| dendrobates auratus | Yes | species | eukaryota | vertebrates | species | 43471 | click here |
| dendroctonus valens | Yes | species | eukaryota | invertebrates | species | 77173 | click here |
| dermacentor nuttalli | Yes | species | | | species | 1046038 | click here |
| dermanyssus gallinae | Yes | species | eukaryota | invertebrates | species | 34641 | click here |
| deudorix isocrates | Yes | species | | | species | 1804653 | click here |
| dianthus superbus | Yes | species | eukaryota | plants | species | 288950 | click here |
| diplacus aurantiacus | Yes | species | eukaryota | plants | species | 68869 | click here |
| dromogomphus spinosus | Yes | species | eukaryota | invertebrates | species | 126169 | click here |
| drosophila | Yes | | | invertebrates | genus | 7215 | click here |
| drosophila melanogaster | Yes | species | eukaryota | invertebrates | species | 7227 | click here |
| dugong dugon | Yes | species | eukaryota | mammals | species | 29137 | click here |
| eclipta prostrata | Yes | species | eukaryota | plants | species | 53719 | click here |
| ectropis grisescens | Yes | species | | | species | 1530245 | click here |
| ectropis obliqua | Yes | species | eukaryota | invertebrates | species | 248899 | click here |
| elaeis guineensis | Yes | species | eukaryota | plants | species | 51953 | click here |
| elops saurus | Yes | species | eukaryota | vertebrates | species | 7928 | click here |
| embryophyta | Yes | | | plants | no rank | 3193 | click here |
| enterococcus | Yes | | | bacteria | genus | 1350 | click here |
| enterococcus sp. | Yes | species | bacteria | bacteria | species | 35783 | click here |
| ephestia kuehniella | Yes | species | eukaryota | invertebrates | species | 40079 | click here |
| epinephelus awoara | Yes | species | eukaryota | vertebrates | species | 152218 | click here |
| epinephelus fuscoguttatus | Yes | species | eukaryota | vertebrates | species | 293821 | click here |
| equus asinus | Yes | species | eukaryota | mammals | species | 9793 | click here |
| equus burchellii | Yes | species | eukaryota | mammals | species | 9790 | click here |
| equus caballus | Yes | species | eukaryota | mammals | species | 9796 | click here |
| eretmochelys imbricata | Yes | species | eukaryota | vertebrates | species | 27787 | click here |
| erylus deficiens | Yes | species | eukaryota | invertebrates | species | 519536 | click here |
| eukaryota | Yes | | | invertebrates | superkingdom | 2759 | click here |
| eulemur fulvus | Yes | species | eukaryota | primates | species | 13515 | click here |
| eulemur rufus | Yes | species | | | species | 859983 | click here |
| eurygaster integriceps | Yes | species | eukaryota | invertebrates | species | 555972 | click here |
| falco | Yes | | | vertebrates | genus | 8952 | click here |
| felis catus | Yes | species | eukaryota | mammals | species | 9685 | click here |
| galleria mellonella | Yes | species | eukaryota | invertebrates | species | 7137 | click here |
| gallus gallus | Yes | species | eukaryota | vertebrates | species | 9031 | click here |
| gentiana | Yes | | | plants | genus | 21496 | click here |