Select species:
- Eutheria (Placental mammals)
- Human (Homo sapiens) (573 genes, 271 families)
- Sumatran orangutan (Pongo abelii) (526 genes, 248 families)
- Rhesus monkey (Macaca mulatta) (551 genes, 263 families)
- White-tufted-ear marmoset (Callithrix jacchus) (444 genes, 220 families)
- Gray mouse lemur (Microcebus murinus) (435 genes, 203 families)
- House mouse (Mus musculus) (457 genes, 229 families)
- Norway rat (Rattus norvegicus) (425 genes, 194 families)
- Guinea pig (Cavia porcellus) (404 genes, 187 families)
- Rabbit (Oryctolagus cuniculus) (397 genes, 189 families)
- Cow (Bos taurus) (466 genes, 218 families)
- Horse (Equus caballus) (482 genes, 203 families)
- Dog (Canis familiaris) (455 genes, 210 families)
- Nine-banded armadillo (Dasypus novemcinctus) (387 genes, 174 families)
- African bush elephant (Loxodonta africana) (376 genes, 181 families)
- Lesser hedgehog tenrec (Echinops telfairi) (353 genes, 168 families)
- Metatheria (Marsupial mammals)
- Gray short-tailed opossum (Monodelphis domestica) (515 genes, 179 families)
- Tasmanian devil (Sarcophilus harrisii) (482 genes, 172 families)
- Tammar Wallaby (Notamacropus eugenii) (331 genes, 156 families)
- Monotremata
- Platypus (Ornithorhynchus anatinus) (404 genes, 149 families)
- Aves (Birds)
- Chicken (Gallus gallus) (288 genes, 136 families)
- Rock pigeon (Columba livia) (259 genes, 121 families)
- Zebra finch (Taeniopygia guttata) (259 genes, 115 families)
- Crocodylia (Alligators and Crocodiles)
- American alligator (Alligator mississippiensis) (285 genes, 113 families)
- Testudines (Turtles)
- Western painted turtle (Chrysemys picta bellii) (303 genes, 124 families)
- Squamata (Lizards and Snakes)
- Green anole lizard (Anolis carolinensis) (269 genes, 118 families)
- Burmese python (Python bivittatus) (247 genes, 95 families)
- Schlegels Japanese gecko (Gekko japonicus) (262 genes, 99 families)
- Rhynchocephalia (beak-heads)
- Tuatara (Sphenodon punctatus) (225 genes, 102 families)
- Anura (Frogs and Toads)
- Tropical clawed frog (Xenopus tropicalis) (355 genes, 106 families)
- African clawed frog (Xenopus laevis) (505 genes, 118 families)
- Gymnophiona (Apoda)
- Microcaecilia (Microcaecilia unicolor) (245 genes, 97 families)
- Actinista (Coelacanths)
- Coelacanth (Latimeria chalumnae) (232 genes, 91 families)
- Teleostei (Teleost fish)
- Asian swamp eel (Monopterus albus) (347 genes, 108 families)
- Pufferfish (Tetraodon nigroviridis) (291 genes, 97 families)
- Cod (Gadus morhua) (342 genes, 120 families)
- Zebrafish (Danio rerio) (418 genes, 113 families)
- Holostei (Gars and Bowfins)
- Spotted gar (Lepisosteus oculatus) (275 genes, 105 families)
- Chondrichthyes (Cartilaginous fish)
- Australian ghostshark (Callorhinchus milii) (273 genes, 110 families)
- Cloudy Catshark (Scyliorhinus torazame) (250 genes, 91 families)
- Cyclostomata
- Inshore hagfish (Eptatretus burgeri) (181 genes, 77 families)
- Sea Lamprey (Petromyzon marinus) (216 genes, 83 families)
- Urochordata (Sea squirts)
- Sea Squirt (Ciona intestinalis) (107 genes, 72 families)
- Cephalochordata (Amphioxus)
- Florida lancelet (Branchiostoma floridae) (129 genes, 73 families)
- European lancelet (Branchiostoma lanceolatum) (202 genes, 77 families)
- Hemichordata
- Saccoglossus (Saccoglossus kowalevskii) (78 genes, 50 families)
- Ptychodera (Ptychodera flava) (86 genes, 53 families)
- Echinodermata
- Purple sea urchin (Strongylocentrotus purpuratus) (59 genes, 42 families)
- Bat starfish (Patiria miniata) (59 genes, 40 families)
- Hexapoda (Insects)
- Fruit fly (Drosophila melanogaster) (161 genes, 99 families)
- Fruit fly (Drosophila simulans) (159 genes, 97 families)
- Fruit fly (Drosophila yakuba) (148 genes, 88 families)
- Fruit fly (Drosophila ananassae) (158 genes, 101 families)
- Fruit fly (Drosophila mojavensis) (162 genes, 102 families)
- Tsetse fly (Glossina pallidipes) (106 genes, 64 families)
- Yellow fever mosquito (Aedes aegypti) (119 genes, 70 families)
- African malaria mosquito (Anopheles gambiae) (114 genes, 67 families)
- Longwing butterfly (Heliconius melpomene) (130 genes, 79 families)
- Red flour beetle (Tribolium castaneum) (192 genes, 89 families)
- Braconid wasp (Diachasmimorpha longicaudata) (104 genes, 67 families)
- Cockroach (Blattella germanica) (144 genes, 86 families)
- Crustacea
- Common water flea (Daphnia pulex) (84 genes, 59 families)
- Large common water flea (Daphnia magna) (81 genes, 56 families)
- Chelicerata
- Deer tick (Ixodes scapularis) (64 genes, 52 families)
- Two-spotted spider mite (Tetranychus urticae) (88 genes, 54 families)
- Arizona bark scorpion (Centruroides sculpturatus) (134 genes, 59 families)
- Atlantic horseshoe crab (Limulus polyphemus) (293 genes, 55 families)
- Nematoda
- Roundworm (Caenorhabditis elegans) (145 genes, 90 families)
- Roundworm (Caenorhabditis briggsae) (186 genes, 89 families)
- Large roundworm (Ascaris suum) (96 genes, 53 families)
- Nematorpha
- Montseny horsehair worm (Gordionus sp.) (27 genes, 25 families)
- Priapulida
- Penis worm (Priapulus caudatus) (78 genes, 44 families)
- Mollusca
- California two-spot octopus (Octopus bimaculoides) (176 genes, 136 families)
- Common octopus (Octopus vulgaris) (178 genes, 135 families)
- Hawaiian bobtail squid (Euprymna scolopes) (148 genes, 113 families)
- Chambered Nautilus (Nautilus pompilius) (78 genes, 60 families)
- Owl limpet (Lottia gigantea) (82 genes, 53 families)
- Red Abalone (Haliotis rufescens) (83 genes, 55 families)
- Pacific oyster (Magallana gigas) (136 genes, 59 families)
- Japanese carpet shell (Ruditapes philippinarum) (103 genes, 61 families)
- Vernerds tusk shell (Pictodentalium vernedei) (97 genes, 53 families)
- Laevipilina (Monoplacophora) (Laevipilina hyalina) (56 genes, 36 families)
- West Indian fuzzy chiton (Acanthopleura granulata ) (83 genes, 51 families)
- Mossy chiton (Mopalia muscosa) (83 genes, 54 families)
- Epimenia (Solenogaster) (Epimenia babai) (64 genes, 48 families)
- Wirenia (Solenogaster) (Wirenia argentea) (72 genes, 48 families)
- Annelida
- Polychaete worm (Capitella teleta) (127 genes, 84 families)
- Common brandling worm (Eisenia fetida) (193 genes, 66 families)
- Tubeworm (Owenia fusiformis) (98 genes, 60 families)
- Dumerils clam worm (Platynereis dumerilii) (123 genes, 68 families)
- Peanut worm (Sipunculus nudus) (83 genes, 54 families)
- Dimorphilus gyrociliatus (Dimorphilus gyrociliatus) (78 genes, 48 families)
- Brachiopoda
- Lingula (Lingula anatina) (106 genes, 50 families)
- Phoronida
- Horseshoe worm (Phoronis australis) (73 genes, 48 families)
- Nemertea
- Bootlace worm (Lineus longissimus) (95 genes, 50 families)
- Platyhelminthes
- Tiger flatworm (Prostheceraeus crozieri ) (71 genes, 42 families)
- Freshwater planarian (Schmidtea mediterranea) (109 genes, 46 families)
- Russian doll killer (Gyrodactylus salaris) (46 genes, 35 families)
- Blood fluke (Schistosoma mansoni) (47 genes, 33 families)
- Hydatid worm (Echinococcus granulosus) (52 genes, 36 families)
- Syndermata
- Monogonont Rotifer 1 (Brachionus plicatilis) (54 genes, 41 families)
- Monogonont Rotifer 2 (Brachionus koreanus) (61 genes, 40 families)
- Bdelloid rotifer (Adineta vaga) (128 genes, 51 families)
- Seison (Seison nebaliae) (29 genes, 28 families)
- Thorny-headed worm 1 (Neoechinorhynchus agilis) (18 genes, 8 families)
- Thorny-headed worm 2 (Pomphorhynchus laevis) (12 genes, 10 families)
- Xenacoelomorpha
- Xenoturbella (Xenoturbella bocki) (55 genes, 38 families)
- Panther worm (Hofstenia miamia) (27 genes, 20 families)
- Roscoff worm (Symsagittifera roscoffensis) (39 genes, 21 families)
- Cnidaria
- Starlet sea anemone (Nematostella vectensis) (30 genes, 24 families)
- Deep-sea anemone (Actinernus sp.) (31 genes, 19 families)
- Stony coral (Acropora digitifera) (24 genes, 20 families)
- Freshwater-polyp (Hydra vulgaris) (26 genes, 23 families)
- Porifera
- Amphimedon (Amphimedon queenslandica) (9 genes, 7 families)
- Muellers freshwater sponge (Ephydatia muelleri) (7 genes, 5 families)