Species Number of Gene Category of Speciess Aotus_nancymaae 26 Primates Saimiri_boliviensis_boliviensis 24 Primates Pan_troglodytes 24 Primates Pongo_abelii 24 Primates Callithrix_jacchus 24 Primates Microcebus_murinus 24 Primates Colobus_angolensis_palliatus 23 Primates Otolemur_garnettii 23 Primates Cebus_capucinus 23 Primates Rhinopithecus_roxellana 23 Primates Papio_anubis 23 Primates Cercocebus_atys 23 Primates Pan_paniscus 22 Primates Propithecus_coquereli 22 Primates Macaca_fascicularis 22 Primates Gorilla_gorilla 22 Primates Homo_sapiens 22 Primates Macaca_nemestrina 22 Primates Chlorocebus_sabaeus 22 Primates Rhinopithecus_bieti 21 Primates Mandrillus_leucophaeus 21 Primates Nomascus_leucogenys 21 Primates Macaca_mulatta 21 Primates Carlito_syrichta 18 Primates Octodon_degus 26 Rodents Heterocephalus_glaber_female 24 Rodents Jaculus_jaculus 23 Rodents Chinchilla_lanigera 23 Rodents Heterocephalus_glaber_male 23 Rodents Cricetulus_griseus_chok1gshd 22 Rodents Cavia_porcellus 22 Rodents Microtus_ochrogaster 22 Rodents Ictidomys_tridecemlineatus 22 Rodents Cricetulus_griseus_crigri 21 Rodents Mus_musculus 21 Rodents Mus_musculus_129s1svimj 21 Rodents Mus_musculus_balbcj 21 Rodents Mus_musculus_c57bl6nj 21 Rodents Mus_musculus_nodshiltj 21 Rodents Mus_musculus_pwkphj 21 Rodents Mus_musculus_wsbeij 21 Rodents Nannospalax_galili 21 Rodents Mus_spretus 20 Rodents Cavia_aperea 20 Rodents Fukomys_damarensis 20 Rodents Mus_musculus_aj 20 Rodents Mus_musculus_akrj 20 Rodents Mus_musculus_c3hhej 20 Rodents Mus_musculus_casteij 20 Rodents Mus_musculus_cbaj 20 Rodents Mus_musculus_dba2j 20 Rodents Mus_musculus_lpj 20 Rodents Mus_musculus_nzohlltj 20 Rodents Mus_caroli 20 Rodents Mus_pahari 20 Rodents Peromyscus_maniculatus_bairdii 20 Rodents Oryctolagus_cuniculus 20 Rodents Dipodomys_ordii 19 Rodents Mus_musculus_fvbnj 19 Rodents Rattus_norvegicus 19 Rodents Mesocricetus_auratus 18 Rodents Ochotona_princeps 17 Rodents Tupaia_belangeri 13 Rodents Equus_asinus_asinus 24 Laurasiatheria Equus_caballus 24 Laurasiatheria Vulpes_vulpes 24 Laurasiatheria Ovis_aries 24 Laurasiatheria Bos_taurus 23 Laurasiatheria Capra_hircus 23 Laurasiatheria Sus_scrofa 23 Laurasiatheria Canis_familiaris 22 Laurasiatheria Panthera_pardus 22 Laurasiatheria Myotis_lucifugus 22 Laurasiatheria Ailuropoda_melanoleuca 22 Laurasiatheria Felis_catus 21 Laurasiatheria Canis_lupus_dingo 21 Laurasiatheria Panthera_tigris_altaica 21 Laurasiatheria Ursus_maritimus 20 Laurasiatheria Tursiops_truncatus 20 Laurasiatheria Mustela_putorius_furo 20 Laurasiatheria Ursus_americanus 19 Laurasiatheria Pteropus_vampyrus 19 Laurasiatheria Sorex_araneus 14 Laurasiatheria Vicugna_pacos 13 Laurasiatheria Erinaceus_europaeus 12 Laurasiatheria Loxodonta_africana 18 Afrotheria Procavia_capensis 16 Afrotheria Echinops_telfairi 14 Afrotheria Dasypus_novemcinctus 18 Xenarthra Choloepus_hoffmanni 9 Xenarthra Chrysemys_picta_bellii 22 BirdAndReptiles Gopherus_agassizii 21 BirdAndReptiles Sphenodon_punctatus 21 BirdAndReptiles Gallus_gallus 20 BirdAndReptiles Pelodiscus_sinensis 20 BirdAndReptiles Anas_platyrhynchos 18 BirdAndReptiles Ficedula_albicollis 18 BirdAndReptiles Anolis_carolinensis 17 BirdAndReptiles Meleagris_gallopavo 16 BirdAndReptiles Taeniopygia_guttata 15 BirdAndReptiles Xenopus_tropicalis 19 Amphibians Labrus_bergylta 23 Fish Paramormyrops_kingsleyae 23 Fish Scleropages_formosus 22 Fish Poecilia_formosa 20 Fish Anabas_testudineus 20 Fish Amphiprion_ocellaris 20 Fish Astatotilapia_calliptera 20 Fish Takifugu_rubripes 20 Fish Oryzias_melastigma 20 Fish Oryzias_latipes_hni 20 Fish Oryzias_latipes_hsok 20 Fish Oryzias_latipes 20 Fish Esox_lucius 20 Fish Amphiprion_percula 20 Fish Seriola_lalandi_dorsalis 20 Fish Maylandia_zebra 20 Fish Stegastes_partitus 19 Fish Haplochromis_burtoni 19 Fish Poecilia_reticulata 19 Fish Pundamilia_nyererei 19 Fish Astyanax_mexicanus 19 Fish Poecilia_mexicana 19 Fish Acanthochromis_polyacanthus 19 Fish Lepisosteus_oculatus 19 Fish Gasterosteus_aculeatus 19 Fish Monopterus_albus 19 Fish Oreochromis_niloticus 19 Fish Mastacembelus_armatus 19 Fish Gadus_morhua 18 Fish Seriola_dumerili 18 Fish Kryptolebias_marmoratus 18 Fish Fundulus_heteroclitus 18 Fish Mola_mola 18 Fish Periophthalmus_magnuspinnatus 18 Fish Poecilia_latipinna 18 Fish Hippocampus_comes 18 Fish Cynoglossus_semilaevis 18 Fish Scophthalmus_maximus 18 Fish Danio_rerio 18 Fish Ictalurus_punctatus 17 Fish Neolamprologus_brichardi 17 Fish Amphilophus_citrinellus 17 Fish Xiphophorus_maculatus 17 Fish Pygocentrus_nattereri 17 Fish Tetraodon_nigroviridis 17 Fish Gambusia_affinis 17 Fish Cyprinodon_variegatus 16 Fish Xiphophorus_couchianus 15 Fish Monodelphis_domestica 59 OtherMammals Phascolarctos_cinereus 21 OtherMammals Sarcophilus_harrisii 21 OtherMammals Notamacropus_eugenii 19 OtherMammals Ornithorhynchus_anatinus 17 OtherMammals Latimeria_chalumnae 20 OtherVertebrates Eptatretus_burgeri 15 OtherVertebrates Petromyzon_marinus 10 OtherVertebrates Ciona_intestinalis 13 OtherChordates Ciona_savignyi 8 OtherChordates Drosophila_melanogaster 16 OtherEukaryotes Caenorhabditis_elegans 13 OtherEukaryotes Saccharomyces_cerevisiae 4 OtherEukaryotes