| Subject | English | Latin |
| ornit. | African pygmy falcon | Polihierax semitorquatus |
| ornit. | African pygmy goose | Nettapus auritus |
| zool. | African pygmy-goose | Nettapus auritus |
| ornit. | African pygmy kingfisher | Ceyx picta |
| ornit. | African pygmy kingfisher | Ispidina picta |
| ornit. | African pygmy kingfisher | Corythornis picta |
| zool. | African pygmy-kingfisher | Ispidina picta |
| ichtyol. | African pygmy skate | Neoraja stehmanni |
| mamm. | African pygmy squirrel | Myosciurus pumilio |
| mamm. | African pygmy squirrels | Myosciurus |
| mamm. | Alfaro's pygmy squirrel | Microsciurus alfari |
| zool. | Amazonian pygmy-owl | Glaucidium minutissimum minutissimum |
| ornit. | American pygmy kingfisher | Chloroceryle aenea |
| mamm. | American pygmy mice | Baiomys |
| ornit. | American pygmy-owl | Glaucidium gnoma |
| mamm. | American pygmy squirrels | Microsciurus |
| zool. | Andean pygmy-owl | Glaucidium jardinii |
| zool. | Austral pygmy-owl | Glaucidium nanum |
| ichtyol. | Balston's pygmy perch | Nannatherina balstoni |
| mamm. | Baluchistan pygmy jerboa | Salpingotus michaelis |
| ichtyol. | banded pygmy sunfish | Elassoma zonatum |
| ornit. | bar-winged pygmy triller | Hemipus picatus |
| zool. | Bates' pygmy antelope | Nesotragus batesi |
| zool. | black-capped pygmy-tyrant | Myiornis atricapillus |
| ornit. | black-winged pygmy triller | Hemipus hirundinaceus |
| ornit. | Bolivian pygmy-tyrant | Pseudotriccus simplex |
| mamm. | Boquete pygmy squirrel | Microsciurus boquetensis |
| mamm. | Bornean pygmy squirrels | Exilisciurus |
| ornit. | bronze pygmy-tyrant | Pseudotriccus pelzelni |
| ornit. | bronzed pygmy sunbird | Anthreptes metallicus |
| ornit. | bronze-olive pygmy-tyrant | Pseudotriccus pelzelni |
| ornit. | brown-breasted pygmy-tyrant | Hemitriccus obsoletus |
| ornit. | Bruijn's pygmy parrot | Micropsitta bruijnii |
| ornit. | buff-faced pygmy parrot | Micropsitta pusio |
| zool. | buff-faced pygmy-parrot | Micropsitta pusio |
| mamm. | Burmese pygmy flying squirrel | Hylopetes spadiceus |
| nat.res. | Cape pygmy moss | Ephemerum capensi |
| ichtyol. | carolina pygmy sunfish | Elassoma boehlkei |
| ornit. | Celebes pygmy kingfisher | Ceyx fallax |
| ornit. | Celebes pygmy kingfisher | Ceyx lecontei |
| mamm. | Celebes pygmy squirrels | Prosciurillus |
| mamm. | Chinese pygmy dormice | Typhlomys |
| mamm. | Chinese pygmy dormouse | Typhlomys cinereus |
| ornit. | collared pygmy-owl | Glaucidium brodiei |
| ornit. | collared pygmy-owl | Taenioptyrx brodiei |
| ornit. | cotton pygmy goose | Nettapus coromandelianus |
| zool. | cotton pygmy-goose | Nettapus coromandelianus |
| ornit. | Cuban pygmy-owl | Glaucidium siju |
| environ., nat.res. | cultus pygmy sculpin | Cottus sp. |
| ornit. | double-banded pygmy-tyrant | Lophotriccus vitiosus |
| zool. | double-banded pygmy-tyrant | Lophotriccus vitiosus, Lophotriccus vitiosus vitiosus |
| ornit. | drab pygmy-tyrant | Hemitriccus diops |
| ornit. | drab-breasted pygmy-tyrant | Hemitriccus diops |
| ornit. | eared pygmy-tyrant | Myiornis auricularis |
| mamm. | eastern pygmy possum | Cercartetus nanus |
| ornit. | eastern pygmy sunbird | Anthreptes metallicus |
| mamm. | Egyptian pygmy shrew | Crocidura religiosa |
| ornit. | Eurasian pygmy-owl | Glaucidium passerinum |
| zool. | Eurasian pygmy owl | Glaucidium passerinum |
| mamm. | Eurasian pygmy shrew | Sorex minutus |
| ichtyol. | Everglade's pygmy sunfish | Elassoma evergladei |
| ornit. | Feilden's pygmy falcon | Polihierax insignis |
| ornit. | Feilden's pygmy falcon | Neohierax insignis |
| ornit. | ferruginous pygmy-owl | Glaucidium brasilianum |
| ornit. | Finsch's pygmy parrot | Micropsitta finschii |
| zool. | Finsch's pygmy-parrot | Micropsitta finschii |
| mamm. | five-toed pygmy jerboas | Cardiocranius |
| ornit. | flammulated pygmy-tyrant | Hemitriccus flammulatus |
| ornit. | fork-tailed pygmy-tyrant | Ceratotriccus furcatus |
| ornit. | fork-tailed pygmy-tyrant | Ceratotriccus |
| ornit. | Geelvink pygmy parrot | Micropsitta geelvinkiana |
| zool. | Geelvink pygmy-parrot | Micropsitta geelvinkiana |
| zool. | golden-scaled pygmy-tyrant | Lophotriccus vitiosus congener |
| ornit. | gray-headed pygmy woodpecker | Yungipicus canicapillus |
| ornit. | gray-headed pygmy woodpecker | Picoides canicapillus |
| ornit. | gray-headed pygmy woodpecker | Dendrocopos canicapillus |
| ornit. | green pygmy goose | Nettapus pulchellus |
| zool. | green pygmy-goose | Nettapus pulchellus |
| entomol. | grouse and pygmy locusts | Tetrigidae |
| zool. | Hardy's pygmy-owl | Glaucidium hardyi |
| ornit. | hazel-fronted pygmy-tyrant | Pseudotriccus simplex |
| ornit. | helmeted pygmy-tyrant | Colopteryx |
| ornit. | helmeted pygmy-tyrant | Colopteryx galeatus |
| zool. | helmeted pygmy-tyrant | Lophotriccus galeatus |
| mamm. | Indian pygmy pipistrelle | Pipistrellus mimus |
| ornit. | Indian pygmy woodpecker | Picoides nanus |
| ornit. | Indian pygmy woodpecker | Yungipicus nanus |
| ornit. | Indian pygmy woodpecker | Dendrocopos nanus |
| ornit. | Itatiaya pygmy-tyrant | Hemitriccus obsoletus |
| ornit. | Japanese pygmy woodpecker | Picoides kizuki |
| ornit. | Japanese pygmy woodpecker | Yungipicus kizuki |
| ornit. | Japanese pygmy woodpecker | Pendrocopos kizuki |
| ornit. | Ke Island pygmy parrot | Micropsitta keiensis |
| mamm. | Kozlov's pygmy jerboa | Salpingotus kozlovi |
| ornit. | least pygmy-owl | Glaucidium minutissimum |
| zool. | least pygmy-owl | Glaucidium minutissimum, Glaucidium minutissimum griseiceps |
| mamm. | lesser Tasmanian pygmy phalanger | Cercartetus lepidus |
| mamm. | little Tasmanian pygmy possum | Cercartetus lepidus |
| ornit. | long-crested pygmy-tyrant | Lophotriccus eulophotes |
| ichtyol. | longnose pygmy shark | Heteroscymnoides marleyi |
| ichtyol. | long-nosed pygmy shark | Heteroscymnoides marleyi |
| mamm. | long-tailed pygmy possum | Cercartetus caudatus |
| ornit. | Madagascar pygmy kingfisher | Ceycoides madagascariensis |
| ornit. | Madagascar pygmy kingfisher | Corythornis madagascariensis |
| ornit. | Madagascar pygmy kingfisher | Ceyx madagascariensis |
| zool. | Madagascar pygmy-kingfisher | Ispidina madagascariensis |
| ornit. | Mafor pygmy parrot | Micropsitta geelvinkiana |
| ornit. | Malaysian pygmy woodpecker | Picoides moluccensis |
| ornit. | Malaysian pygmy woodpecker | Dendrocopos moluccensis |
| ornit. | Malaysian pygmy woodpecker | Yungipicus moluccensis |
| mamm. | Mediterranean pygmy shrew | Suncus etruscus |
| ornit. | Meek's pygmy parrot | Micropsitta meeki |
| zool. | Meek's pygmy-parrot | Micropsitta meeki |
| reptil. | Mexican pygmy rattlesnake | Sistrurus ravus |
| zool. | mountain pygmy-owl | Glaucidium gnoma |
| mamm. | mountain pygmy possum | Burramys parvus |
| mamm. | mountain pygmy possums | Burramys |
| mamm. | Neotropical pygmy squirrel | Sciurillus pusillus |
| mamm. | Neotropical pygmy squirrels | Sciurillus |
| mamm. | northern pygmy mouse | Baiomys taylori |
| ornit. | northern pygmy-owl | Glaucidium gnoma |
| zool. | Northern pygmy-owl | Glaucidium californicum |
| ichtyol. | Okefenokee pygmy sunfish | Elassoma okefenokee |
| mamm. | oriental pygmy squirrels | Nanosciurus |
| zool. | oriental pygmy squirrels | Nannosciurus |
| mamm. | Owen's pygmy sperm whale | Kogia simus |
| ichtyol. | oxleyan pygmy perch | Nannoperca oxleyana |
| ornit. | pale-eyed pygmy-tyrant | Atalotriccus pilaris |
| ornit. | pale-eyed pygmy-tyrant | Atalotriccus |
| mamm. | Palestine pygmy shrew | Crocidura religiosa |
| ornit. | Pelzeln's pygmy-tyrant | Pseudotriccus pelzelni |
| zool. | Peruvian pygmy-owl | Glaucidium peruanum |
| ornit. | Philippine pygmy woodpecker | Picoides maculatus |
| ornit. | Philippine pygmy woodpecker | Yungipicus maculatus |
| ornit. | Philippine pygmy woodpecker | Dendrocopos maculatus |
| reptil. | pitted pygmy chameleon | Rhampholeon Telmatobufo |
| mamm. | plain pygmy squirrel | Exilisciurus exilis |
| reptil. | prairie pygmy rattlesnake | Sistrurus Casarea |
| reptil. | pygmy algyroides | Algyroides fitzingeri |
| ichtyol. | pygmy angler | Aceratias |
| ichtyol. | pygmy angler | Antennarius tuberosus |
| entomol. | pygmy ant | Plagiolepis pygmaea |
| mamm. | pygmy silky anteater | Cyclopes didactylus |
| mamm. | pygmy antelope | Neotragus pygmaeus |
| mamm. | pygmy antelopes | Neotragus |
| ornit. | pygmy antwren | Myrmotherula brachyura |
| zool. | pygmy antwren | Myrmotherula brachyura, Myrmotherula brachyura brachyura |
| zool. | pygmy armadillo | Euphractus pichiy |
| zool. | pygmy babbler | Stachyris plateni |
| zool. | pygmy batis | Batis perkeo |
| nat.sc., agric. | pygmy beetle | Atomaria linearis |
| ichtyol. | pygmy blenny | Nannosalarias nativitatus |
| ornit. | pygmy blue flycatcher | Muscicapella hodgsoni |
| ornit. | pygmy blue flycatcher | Muscicapella |
| zool. | pygmy blue-flycatcher | Muscicapella hodgsoni |
| mamm. | pygmy chimpanzee | Pan paniscus |
| ornit. | pygmy cormorant | Phalacrocorax niger |
| ornit. | pygmy cormorant | Microcarbo pygmaeus |
| ornit. | pygmy cormorant | Microcarbo niger |
| ornit. | pygmy cormorant | Phalacrocorax pygmaeus |
| zool. | pygmy cormorant | Phalacrocorax pygmeus |
| zool. | pygmy cuckooshrike | Coracina abbotti |
| nat.res. | Pygmy curlew | Numenius minutus |
| nat.res. | pygmy date palm | Phoenix roebelinii |
| nat.res. | pygmy date palm | Phoenix roebelenii |
| ichtyol. | pygmy devil ray | Mobula diabolus |
| zool. | pygmy dormouse | Graphiurus nanus |
| ichtyol. | pygmy dragonet | Diplogrammus pygmaeus |
| zool. | pygmy drongo | Chaetorhynchus papuensis |
| zool. | pygmy elephant | Loxodonta africana pumilio |
| ornit. | pygmy falcon | Polihierax semitorquatus |
| nat.res. | pygmy falcon | poliohierax semitorquatus |
| nat.res. | pygmy falcon | Poliohierax semitorquatus |
| ornit. | pygmy flowerpecker | Dicaeum pygmaeum |
| mamm. | pygmy flying phalanger | Acrobates pygmaeus |
| mamm. | pygmy flying phalangers | Acrobates |
| mamm. | pygmy flying possum | Acrobates pygmaeus |
| mamm. | pygmy flying possums | Acrobates |
| mamm. | pygmy flying squirrels | Petaurillus |
| mamm. | pygmy flying squirrels | Idiurus |
| mamm. | pygmy flying squirrels | Hylopetes |
| environ., nat.res. | pygmy footman moth | Eilema pygmaeola pallifrons |
| mamm. | pygmy fruit bat | Aethalops alecto |
| mamm. | pygmy fruit bats | Aethalops |
| mamm. | pygmy fruit-eating bat | Artibeus cinereus |
| mamm. | pygmy galago | Galago demidovii |
| mamm. | pygmy gerbils | Gerbillus |
| mamm. | pygmy glider | Acrobates pygmaeus |
| mamm. | pygmy gliders | Acrobates |
| mamm. | pygmy gliding possum | Acrobates pygmaeus |
| mamm. | pygmy gliding possums | Acrobates |
| ornit. | pygmy goose | Nettapus |
| ichtyol. | pygmy gourami | Trichopsis pumilis |
| ichtyol. | pygmy gourami | Trichopsis pumila |
| entomol. | pygmy grasshoppers | Tetrigidae |
| ornit. | pygmy gray white-eye | Lophozosterops squamiceps |
| mamm. | pygmy ground squirrel | Glyphotes simus |
| ichtyol. | pygmy groupers | Pseudochromidae |
| ichtyol. | pygmy herrings | Sierrathrissa |
| environ., nat.res. | pygmy hippopotamus | Hexaprotodon liberiensis |
| mamm. | pygmy hippopotamus | Choeropsis liberiensis |
| mamm. | pygmy hippopotamuses | Choeropsis |
| nat.sc., nat.res., agric. | pygmy hog | Porcula salvanius |
| mamm. | pygmy hog | Sus salvanius |
| ornit. | pygmy honeyeater | Oedistoma pygmaeum |
| ornit. | pygmy honeyguide | lndicator pumilio |
| reptil. | pygmy iguana | Dipsosaurus Dogania |
| zool. | pygmy jerboa | Salpingotus |
| mamm. | pygmy jerboas | Salpingotus |
| mamm. | pygmy kangaroo rats | Microdipodops |
| mamm. | pygmy Kashmir flying squirrel | Hylopetes fimbriatus |
| mamm. | pygmy killer | Feresa attenuata |
| mamm. | pygmy killer whale | Feresa attenuata |
| ichtyol. | pygmy killifish | Leptolucania ommata |
| ichtyol. | pygmy killifishes | Leptolucania |
| nat.res. | pygmy kingfisher | ispidina picta |
| ornit. | pygmy kingfisher | Chloroceryle aenea |
| nat.res. | pygmy kingfisher | Ispidina picta |
| ichtyol. | pygmy krill | Euphausia frigida |
| entomol. | pygmy leafhopper | Empoasca |
| ichtyol. | pygmy leatherjacket | Brachaluteres trossulus |
| ichtyol. | pygmy locust lobster | Scyllarus pygmaeus |
| ornit. | pygmy longbill | Oedistoma pygmaeum |
| zool. | pygmy lorikeet | Charmosyna wilhelminae |
| nat.sc., agric. | pygmy mangle beetle | Atomaria linearis |
| life.sc., agric. | pygmy mangold beetle | Atomaria linearis Steph. |
| life.sc., agric. | pygmy mangold beetle | Atomaria linearis |
| biol. | pygmy mangold beetle | Atomaria linearis Stephens |
| mamm. | pygmy marmoset | Cebuella pygmaea |
| mamm. | pygmy marmosets | Cebuella |
| mamm. | pygmy mice | Baiomys |
| nat.res., agric. | pygmy mite | Pygmephorus spp., Pediculoides stercoricola |
| entomol. | pygmy mole cricket | Tridactylus variegatus |
| entomol. | pygmy mole crickets | Tridactylidae |
| zool. | pygmy mouse | Baiomys taylori |
| environ., nat.res. | pygmy mouse lemur | Microcebus myoxinus |
| reptil. | pygmy mulga monitor | Varanus gilleni |
| ornit. | pygmy nightjar | Nyctipolus hirundinaceus |
| ornit. | pygmy nightjar | Caprimulgus hirundinaceus |
| ornit. | pygmy nuthatch | Sitta pygmaea |
| ichtyol. | pygmy octopus | Octopus joubini |
| ornit. | pygmy-owl | Glaucidium passerinum |
| nat.res. | pygmy owl | Glaucidium passerinum |
| ornit. | pygmy parrot | Micropsitta |
| biol. | pygmy peashrub | Caragana pygmaea DC. |
| ichtyol. | pygmy perches | Nannoperca |
| ichtyol. | pygmy perches | Kuhliidae |
| mamm. | pygmy phalanger | Cercartetus nanus |
| mamm. | pygmy planigale | Planigale maculata |
| ichtyol. | pygmy poacher | Odontopyxis trispinosa |
| mamm. | pygmy possum | Cercartetus nanus |
| mamm. | pygmy possums | Cercartetus |
| nat.sc., agric. | pygmy possums | Burramydae |
| mamm. | pygmy possums | Burramyidae |
| ornit. | pygmy puffback | Batis perkeo |
| ornit. | pygmy puff-back flycatcher | Batis perkeo |
| mamm. | pygmy rabbit | Sylvilagus idahoensis |
| zool. | pygmy rabbit | Brachylagus idahoensis |
| reptil. | Pygmy rattlesnake | Sistrurus miliarius |
| reptil. | Pygmy rattlesnakes | Sistrurus |
| ichtyol. | pygmy ribbontail catshark | Eridacnis radcliffei |
| ichtyol. | pygmy ribbon-tailed cat shark | Eridacnis radcliffei |
| mamm. | pygmy rice rat | Oryzomys fulvescens |
| mamm. | pygmy rice rat | Oryzomys delicatus |
| mamm. | pygmy right whale | Caperea marginata |
| zool. | pygmy right whale | Neobalaena marginata |
| mamm. | pygmy right whales | Caperea |
| mamm. | pygmy ringtail | Pseudocheirus mayeri |
| mamm. | pygmy rock wallabies | Peradorcas |
| mamm. | pygmy rock wallaby | Peradorcas concinna |
| ichtyol. | pygmy rockfish | Sebastes wilsoni |
| reptil. | pygmy sand snake | Psammophis Anelytropsis |
| mamm. | pygmy scaly-tailed squirrel | Anomalurus pusillus |
| ichtyol. | pygmy sculpin | Myoxocephalus aeneus |
| ichtyol. | pygmy sea bass | Serraniculus pumilio |
| ichtyol. | pygmy sea poacher | Odontopyxis trispinosa |
| ichtyol. | pygmy sea poachers | Odontopyxis |
| ichtyol. | pygmy sea snail | Lipariscus nanus |
| ichtyol. | pygmy shark | Euprotomicrus bispinatus |
| ichtyol. | pygmy sharks | Heteroscymnoides |
| ichtyol. | pygmy shore-eel | Alabes parvulus |
| environ., nat.res. | pygmy short-horned lizard | Phrynosoma douglassii douglassii |
| mamm. | pygmy shrew | Sorex minutus |
| mamm. | pygmy shrew | Sorex hoyi |
| mamm. | pygmy silky anteaters | Cyclopes |
| ichtyol. | pygmy smelt | Osmerus spectrum |
| ichtyol. | Pygmy snailfish | Lipariscus nanus |
| ichtyol. | pygmy snailfishes | Lipariscus |
| ichtyol. | pygmy snapper | Lutjanus maxweberi |
| mamm. | pygmy sperm whale | Kogia breviceps |
| mamm. | pygmy sperm whales | Kogia |
| reptil. | pygmy spiny-tailed skink | Egernia Denisonia |
| mamm. | pygmy spotted skunk | Spilogale pygmaea |
| mamm. | pygmy squirrels | Microsciurus |
| ornit. | pygmy long-tailed sunbird | Anthreptes platura |
| zool. | pygmy sunbird | Anthreptes platurus |
| ichtyol. | pygmy sunfish | Elassoma zonatum |
| ornit. | pygmy swift | Tachornis furcata |
| ornit. | pygmy swift | Micropanyptila furcata |
| ornit. | pygmy swiftlet | Collocalia troglodytes |
| ornit. | pygmy tit | Psaltria exilis |
| ornit. | pygmy tit | Psaltria |
| ornit. | pygmy tree babbler | Stachyris plateni |
| mamm. | pygmy tree mice | Haeromys |
| mamm. | pygmy tree rats | Haeromys |
| mamm. | pygmy tree-shrew | Tupaia minor |
| ornit. | pygmy triller | Hemipus |
| biol. | pygmy waterlily | Nymphaea tetragona Georgi |
| biol. | pygmy waterlily | Nymphaea L. |
| ornit. | pygmy white-eye | Oculocincta squamifrons |
| ornit. | pygmy white-eye | Oculocincta |
| ichtyol. | pygmy whitefish | Prosopium coulterii |
| ichtyol. | pygmy whitefish | Prosopium coultery |
| ornit. | pygmy woodpecker | Verreauxia |
| ornit. | pygmy woodpecker | Verreauxia africana |
| ornit. | pygmy woodpecker | Sasia africana |
| ornit. | pygmy woodpecker | Dendrocopos nanus |
| ornit. | pygmy woodpecker | Picoides nanus |
| ornit. | pygmy woodpecker | Yungipicus nanus |
| zool. | pygmy woodpecker | Dendrocopos kizuki |
| ornit. | pygmy wren-babbler | Pnoepyga pusilla |
| ornit. | red-breasted pygmy parrot | Micropsitta bruijnii |
| zool. | red-breasted pygmy-parrot | Micropsitta bruijnii |
| ichtyol. | Rio Negro pygmy anchovy | Amazonsprattus scintilla |
| ornit. | rosy-breasted pygmy parrot | Micropsitta bruijnii |
| ornit. | rufous-edged pygmy-tyrant | Euscarthmus rufomarginatus |
| ornit. | rufous-headed pygmy-tyrant | Pseudotriccus ruficeps |
| ornit. | rufous-sided pygmy-tyrant | Euscarthmus rufomarginatus |
| ichtyol. | Sanaga pygmy herring | Thrattidion noctivagus |
| ichtyol. | Sanaga pygmy herrings | Thrattidion |
| nat.res. | savi's pygmy shrew | Suncus etruscus |
| mamm. | Savi's pygmy shrew | Suncus etruscus |
| ornit. | scale-crested pygmy-tyrant | Lophotriccus pileatus |
| ornit. | Sclater's pygmy parrot | Micropsitta pusio |
| mamm. | Selangor pygmy flying squirrel | Petaurillus kinlochii |
| ichtyol. | shortpouch pygmy pipehorse | Acentronura tentaculata |
| ornit. | short-tailed pygmy-tyrant | Myiornis ecaudatus |
| ichtyol. | Smalleye pygmy shark | Squaliolus aliae |
| ornit. | Solomon Islands pygmy parrot | Micropsitta pusio |
| mamm. | Somali pygmy gerbil | Microdillus peeli |
| mamm. | Somali pygmy gerbils | Microdillus |
| mamm. | South African pygmy gerbil | Gerbillurus paeba |
| mamm. | South American pygmy squirrel | Sciurillus pusillus |
| mamm. | South American pygmy squirrels | Sciurillus |
| mamm. | southern pygmy gerbils | Gerbillurus |
| mamm. | southern pygmy mouse | Baiomys musculus |
| ichtyol. | southern pygmy perch | Nannoperca australis |
| mamm. | south-western pygmy phalanger | Cercartetus concinnus |
| mamm. | southwestern pygmy possum | Cercartetus concinnus |
| ichtyol. | spined pygmy shark | Squaliolus laticaudus |
| ornit. | streak-crowned pygmy-tyrant | Pseudotriccus pelzelni |
| mamm. | Tasmanian pygmy possum | Cercartetus lepidus |
| mamm. | tassel-tailed pygmy gerbil | Gerbillurus vallinus |
| ornit. | tawny-crowned pygmy-tyrant | Euscarthmus meloryphus |
| mamm. | Temminck's pygmy flying squirrel | Petinomys setosus |
| ornit. | Temminck's pygmy-tyrant | Hemitriccus diops |
| mamm. | thick-tailed pygmy jerboa | Salpingotus crassicauda |
| mamm. | Thomas' pygmy jerboa | Salpingotus thomasi |
| mamm. | Thomas' pygmy squirrels | Glyphotes |
| mamm. | three-toed pygmy jerboas | Salpingotus |
| ichtyol. | West African pygmy herring | Sierrathrissa leonensis |
| ichtyol. | western pygmy perch | Edelia vittata |
| mamm. | western pygmy possum | Cercartetus concinnus |
| ornit. | western pygmy sunbird | Anthreptes platura |
| ornit. | white-bellied pygmy-tyrant | Myiornis albiventris |
| ornit. | white-breasted pygmy-tyrant | Myiornis albiventris |
| mamm. | Whitehead's pygmy squirrel | Exilisciurus whiteheadi |
| nat.res. | white-spotted pygmy crake | sarothrura pulchra |
| nat.res. | white-spotted pygmy crake | Sarothrura pulchra |
| ichtyol. | whitespotted pygmy filefish | Rudarius ercodes |
| biol. | yellow pygmy waterlily | Nymphaea tetragona var. helvola Hort. |
| ornit. | yellow-capped pygmy parrot | Micropsitta keiensis |
| zool. | yellow-capped pygmy-parrot | Micropsitta keiensis |
| zool. | Yungas pygmy-owl | Glaucidium bolivianum |
