As of 19 August 2018, the IUCN Red List of Threatened Species has identified 3,005 critically endangered species, subspecies, stocks and subpopulations in the Animalia kingdom.
Annelida Clitellata Megadrilaceae Lumbricidae
Megascolecidae
Opisthopora Acanthodrilidae
Octochaetidae
Polychaeta Nerillida Nerillidae
Arthropoda Arachnida Araneae Barychelidae
Corinnidae
Ctenidae
Ctenizidae
Gnaphosidae
Linyphiidae
Liphistiidae
Lycosidae
Miturgidae (Includes former Zoridae.)
Ochyroceratidae
Oonopidae
Palpimanidae
Pholcidae
Salticidae
Segestriidae
Symphytognathidae
Telemidae
Theraphosidae
Theridiidae
Theridiosomatidae
Holothyrida Holothyridae
Opiliones Biantidae
Podoctidae
Samoidae
Pseudoscorpiones Geogarypidae
Schizomida Hubbardiidae
Scorpiones Buthidae
Branchiopoda Anostraca Branchinectidae
Streptocephalidae
Thamnocephalidae
Chilopoda Geophilomorpha Ballophilidae
Mecistocephalidae
Diplopoda Polydesmida Paradoxosomatidae
Polyzoniida Siphonotidae
Sphaerotheriida Arthrosphaeridae
Spirobolida Pachybolidae
Spirobolellidae
Spirostreptida Spirostreptidae
Stemmiulida Stemmiulidae
Entognatha Collembola Hypogastruridae
Tullbergiidae
Insecta Blattodea Blattellidae
Polyphagidae
Coleoptera Anthribidae
Carabidae
Cerambycidae
Chrysomelidae
Cicindelidae
Curculionidae
Dytiscidae
Elateridae
Geotrupidae
Laemophloeidae
Leiodidae
Lucanidae
Ptinidae
Rhadalidae
Scarabaeidae
Silphidae
Staphylinidae
Tenebrionidae
Zopheridae
Dermaptera Carcinophoridae
Labiidae
Grylloblattodea Grylloblattidae
Hemiptera Cixiidae
Pseudococcidae
Psyllidae
Triozidae
Hymenoptera Andrenidae
Apidae
Formicidae
Megachilidae
Isoptera Kalotermitidae
Lepidoptera Geometridae
Lycaenidae
Noctuidae
Nymphalidae
Papilionidae
Pieridae
Pterophoridae
Pyralidae
Sphingidae
Stathmopodidae
Tineidae
Mantodea Mantidae
Odonata Argiolestidae
Calopterygidae
Chlorocyphidae
Chlorogomphidae
Coenagrionidae
Cordulegastridae
Euphaeidae
Gomphidae
Heteragrionidae
Lestidae
Libellulidae
Macromiidae
Megapodagrionidae
Not Assigned
Pentaphlebiidae
Perilestidae
Platycnemididae
Platystictidae
Orthoptera Acrididae
Dericorythidae
Euschmidtiidae
Gryllidae
Lentulidae
Mogoplistidae
Pamphagidae
Pyrgacrididae
Pyrgomorphidae
Rhaphidophoridae
Tetrigidae
Tettigoniidae
Thericleidae
Trigonidiidae
Phasmatodea Diapheromeridae
Lonchodidae
Phasmatidae
Phthiraptera Haematopinidae
Plecoptera Gripopterygidae
Malacostraca Amphipoda Bogidiellidae
Gammaridae
Hadziidae
Ingolfiellidae
Liljeborgiidae
Paramelitidae
Phoxocephalidae
Decapoda Astacidae
Atyidae
Cambaridae
Gecarcinucidae
Hippolytidae
Palaemonidae
Parastacidae
Potamidae
Potamonautidae
Procarididae
Pseudothelphusidae
Sesarmidae
Isopoda Anthuridae
Armadillidae
Atlantasellidae
Cirolanidae
Sphaeromatidae
Mictacea Mictocarididae
Mysida Mysidae
Maxillopoda Calanoida Epacteriscidae
Pseudocyclopiidae
Cyclopoida Speleoithonidae
Misophrioida Misophriidae
Platycopioida Platycopiidae
Ostracoda Halocyprida Halocyprididae
Podocopida Cyprididae
Chordata Actinopterygii Acipenseriformes Acipenseridae
Polyodontidae Psephurus gladius
Anguilliformes Anguillidae
Atheriniformes Atherinidae
Atherinopsidae
Bedotiidae
Melanotaeniidae
Pseudomugilidae
Beloniformes Adrianichthyidae
Characiformes Alestidae
Characidae
Distichodontidae
Lebiasinidae
Clupeiformes Clupeidae
Cypriniformes Balitoridae
Catostomidae
Cobitidae
Cyprinidae
Psilorhynchidae
Cyprinodontiformes Cyprinodontidae
Fundulidae
Goodeidae
Nothobranchiidae
Poeciliidae
Rivulidae
Valenciidae
Gadiformes Macrouridae
Gasterosteiformes Gasterosteidae
Lophiiformes Brachionichthyidae
Ophidiiformes Bythitidae
Osmeriformes Galaxiidae
Osmeridae
Perciformes Blenniidae
Callionymidae
Cichlidae
Datnioididae
Elassomatidae
Eleotridae
Epinephelidae
Gobiidae
Labrisomidae
Osphronemidae
Percichthyidae
Percidae
Polyprionidae
Pomacentridae
Sciaenidae
Scombridae
Sparidae
Percopsiformes Amblyopsidae
Salmoniformes Salmonidae
Scorpaeniformes Cottidae
Sebastidae
Siluriformes Ariidae
Astroblepidae
Bagridae
Clariidae
Heptapteridae
Ictaluridae
Loricariidae
Mochokidae
Pangasiidae
Pimelodidae
Siluridae
Sisoridae
Trichomycteridae
Syngnathiformes Syngnathidae
Tetraodontiformes Tetraodontidae
Amphibia Anura Alsodidae
Alytidae
Aromobatidae
Arthroleptidae
Brevicipitidae
Bufonidae
Centrolenidae
Ceratobatrachidae
Conrauidae
Craugastoridae
Cycloramphidae
Dendrobatidae
Dicroglossidae
Eleutherodactylidae
Heleophrynidae
Hemiphractidae
Hylidae
Hyperoliidae
Leiopelmatidae
Leptodactylidae
Limnodynastidae
Mantellidae
Megophryidae
Micrixalidae
Microhylidae
Myobatrachidae
Nyctibatrachidae
Odontophrynidae
Petropedetidae
Phrynobatrachidae
Pipidae
Pyxicephalidae
Ranidae
Ranixalidae
Rhacophoridae
Sooglossidae
Telmatobiidae
Caudata Ambystomatidae
Cryptobranchidae
Hynobiidae
Plethodontidae
Salamandridae
Gymnophiona Scolecomorphidae
Aves Accipitriformes Accipitridae
Anseriformes Anatidae
Apodiformes Trochilidae
Bucerotiformes Bucerotidae
Caprimulgiformes Aegothelidae
Caprimulgidae
Cathartiformes Cathartidae
Charadriiformes Charadriidae
Glareolidae
Laridae
Pedionomidae
Recurvirostridae
Scolopacidae
Turnicidae
Columbiformes Columbidae
Coraciiformes Alcedinidae
Cuculiformes Cuculidae
Galliformes Cracidae
Phasianidae
Gruiformes Gruidae
Psophiidae
Rallidae
Otidiformes Otididae
Passeriformes Acrocephalidae
Alaudidae
Callaeidae
Campephagidae
Cisticolidae
Corvidae
Cotingidae
Dicaeidae
Emberizidae
Fringillidae
Furnariidae
Grallariidae
Hirundinidae
Icteridae
Laniidae
Leiothrichidae
Macrosphenidae
Meliphagidae
Mimidae
Monarchidae
Muscicapidae
Oriolidae
Pachycephalidae
Parulidae
Passerellidae
Pipridae
Pycnonotidae
Rhinocryptidae
Sturnidae
Thamnophilidae
Thraupidae
Troglodytidae
Turdidae
Tyrannidae
Zosteropidae
Pelecaniformes Ardeidae
Threskiornithidae
Piciformes Picidae
Podicipediformes Podicipedidae
Procellariiformes Diomedeidae
Hydrobatidae
Oceanitidae
Procellariidae
Psittaciformes Cacatuidae
Psittacidae
Strigopidae
Strigiformes Strigidae
Suliformes Fregatidae
Phalacrocoracidae
Cephalaspidomorphi Petromyzontiformes Petromyzontidae
Chondrichthyes Carcharhiniformes Carcharhinidae
Scyliorhinidae
Triakidae
Lamniformes Lamnidae
Odontaspididae
Myliobatiformes Dasyatidae
Rajiformes Narkidae
Rajidae
Torpedinidae
Urolophidae
Rhinopristiformes Pristidae
Rhinobatidae
Squaliformes Squalidae
Squatiniformes Squatinidae
Mammalia Afrosoricida Chrysochloridae
Carnivora Canidae
Felidae
Mustelidae
Procyonidae
Viverridae
Cetartiodactyla Balaenidae
Balaenopteridae
Bovidae
Camelidae
Cervidae
Delphinidae
Eschrichtiidae
Lipotidae
Monodontidae
Phocoenidae
Suidae
Chiroptera Emballonuridae
Hipposideridae
Megadermatidae
Mystacinidae
Natalidae
Phyllostomidae
Pteropodidae
Rhinolophidae
Vespertilionidae
Dasyuromorphia Dasyuridae
Didelphimorphia Didelphidae
Diprotodontia Burramyidae
Macropodidae
Petauridae
Phalangeridae
Potoroidae
Pseudocheiridae
Vombatidae
Eulipotyphla Soricidae
Lagomorpha Leporidae
Monotremata Tachyglossidae
Perissodactyla Equidae
Rhinocerotidae
Pholidota Manidae
Pilosa Bradypodidae
Primates Atelidae
Callitrichidae
Cebidae
Cercopithecidae
Cheirogaleidae
Galagidae
Hominidae
Hylobatidae
Indriidae
Lemuridae
Lepilemuridae
Lorisidae
Pitheciidae
Tarsiidae
Proboscidea Elephantidae
Rodentia Abrocomidae
Capromyidae
Caviidae
Cricetidae
Ctenomyidae
Dasyproctidae
Echimyidae
Geomyidae
Heteromyidae
Muridae
Nesomyidae
Octodontidae
Sciuridae
Myxini Myxiniformes Myxinidae
Reptilia Crocodylia Alligatoridae
Crocodylidae
Gavialidae
Squamata Agamidae
Amphisbaenidae
Anguidae
Boidae
Calamariidae
Carphodactylidae
Chamaeleonidae
Colubridae
Dactyloidae
Diplodactylidae
Dipsadidae
Elapidae
Eublepharidae
Gekkonidae
Gymnophthalmidae
Iguanidae
Lacertidae
Leiosauridae
Leptotyphlopidae
Liolaemidae
Natricidae
Phrynosomatidae
Phyllodactylidae
Prosymnidae
Pseudoxyrhophiidae
Scincidae
Sphaerodactylidae
Teiidae
Tropidophiidae
Tropiduridae
Typhlopidae
Varanidae
Viperidae
Xenodermatidae
Testudines Chelidae
Cheloniidae
Dermatemydidae
Dermochelyidae
Emydidae
Geoemydidae
Kinosternidae
Pelomedusidae
Podocnemididae
Testudinidae
Trionychidae
Sarcopterygii Coelacanthiformes Latimeriidae
Cnidaria Anthozoa Scleractinia Acroporidae
Dendrophylliidae
Poritidae
Siderastreidae
Hydrozoa Milleporina Milleporidae
Mollusca Bivalvia Unionida Etheriidae
Hyriidae
Iridinidae
Margaritiferidae
Unionidae
Venerida Dreissenidae
Sphaeriidae
Cephalopoda Octopoda Opisthoteuthidae
Gastropoda Allogastropoda Valvatidae
Architaenioglossa Aciculidae
Ampullariidae
Cyclophoridae
Diplommatinidae
Neocyclotidae
Pupinidae
Viviparidae
Cycloneritimorpha Helicinidae
Neritidae
Hygrophila Acroloxidae
Lymnaeidae
Physidae
Planorbidae
Littorinimorpha Assimineidae
Bithyniidae
Cochliopidae
Hydrobiidae
Moitessieriidae
Pomatiopsidae
Neogastropoda Conidae
Sacoglossa Siphonariidae
Sorbeoconcha Melanopsidae
Pachychilidae
Paludomidae
Pleuroceridae
Thiaridae
Stylommatophora Achatinellidae
Amastridae
Arionidae
Bradybaenidae
Cerastidae
Cerionidae
Charopidae
Clausiliidae
Cochlicellidae
Cochlicopidae
Discidae
Draparnaudiidae
Dyakiidae
Endodontidae
Enidae
Euconulidae
Ferussaciidae
Gastrodontidae
Helicarionidae
Helicidae
Helicodiscidae
Helminthoglyptidae
Hygromiidae
Lauriidae
Milacidae
Orculidae
Oreohelicidae
Orthalicidae
Oxychilidae
Parmacellidae
Partulidae
Polygyridae
Pristilomatidae
Pupillidae
Rhytididae
Streptaxidae
Strophocheilidae
Succineidae
Trochomorphidae
Vertiginidae
Vitrinidae
Zonitidae
Vetigastropoda Haliotidae
Nemertina Enopla Hoplonemertea Prosorhochmidae
Onychophora Onychophora Onychophora Peripatidae
Peripatopsidae
References