IUCN Red List data deficient species (Chordata)

As of August 2023, the IUCN Red List of Threatened Species identified 8509 data deficient species in the Chordata phylum (Animalia kingdom).

Actinopterygii edit

Anguilliformes edit

Anguillidae edit

Chlopsidae edit

Colocongridae edit

Heterenchelyidae edit

Monognathidae edit

Moringuidae edit

Muraenidae edit

Muraenesocidae edit

Myrocongridae edit

Ophichthidae edit

Protanguillidae edit

Saccopharyngidae edit

Serrivomeridae edit

Synaphobranchidae edit

Atheriniformes edit

Atherinidae edit

Atherinopsidae edit

Bedotiidae edit

Pseudomugilidae edit

Telmatherinidae edit

Beloniformes edit

Adrianichthyidae edit

Exocoetidae edit

Hemiramphidae edit

Zenarchopteridae edit

Characiformes edit

Acestrorhynchidae edit

Alestidae edit

Characidae edit

Distichodontidae edit

Clupeiformes edit

Alosidae edit

Clupeidae edit

Ehiravidae edit

Engraulidae edit

Cypriniformes edit

Acheilognathidae edit

Balitoridae edit

Botiidae edit

Gastromyzontidae edit

Nemacheilidae edit

Catostomidae edit

Cobitidae edit

Cyprinidae edit

Cyprinodontiformes edit

Aplocheilidae edit

Cyprinodontidae edit

Nothobranchiidae edit

Poeciliidae edit

Rivulidae edit

Gasterosteiformes edit

Pegasidae edit

Gonorynchiformes edit

Kneriidae edit

Gymnotiformes edit

Apteronotidae edit

Rhamphichthyidae edit

Ophidiiformes edit

Bythitidae edit

Osmeriformes edit

Osmeridae edit

Osteoglossiformes edit

Mormyridae edit

Osteoglossidae edit

Perciformes edit

Ambassidae edit

Anabantidae edit

Blenniidae edit

Centrarchidae edit

Cichlidae edit

Eleotridae edit

Gobiidae edit

Kraemeriidae edit

Labridae edit

Latidae edit

Odontobutidae edit

Percichthyidae edit

Percidae edit

Polyprionidae edit

Scombridae edit

Serranidae edit

Terapontidae edit

Xiphiidae edit

Salmoniformes edit

Galaxiidae edit

Salangidae edit

Salmonidae edit

Scorpaeniformes edit

Cottidae edit

Siluriformes edit

Amblycipitidae edit

Amphiliidae edit

Ariidae edit

Auchenipteridae edit

Bagridae edit

Clariidae edit

Claroteidae edit

Diplomystidae edit

Heptapteridae edit

Ictaluridae edit

Loricariidae edit

Mochokidae edit

Pimelodidae edit

Schilbeidae edit

Siluridae edit

Sisoridae edit

Trichomycteridae edit

Synbranchiformes edit

Mastacembelidae edit

Synbranchidae edit

Syngnathiformes edit

Syngnathidae edit

Tetraodontiformes edit

Tetraodontidae edit

Amphibia edit

Anura edit

Amphignathodontidae edit

Aromobatidae edit

Arthroleptidae edit

Brachycephalidae edit

Brevicipitidae edit

Bufonidae edit

Centrolenidae edit

Ceratobatrachidae edit

Ceratophryidae edit

Craugastoridae edit

Cryptobatrachidae edit

Cycloramphidae edit

Dendrobatidae edit

Dicroglossidae edit

Eleutherodactylidae edit

Hemisotidae edit

Hylidae edit

Hylodidae edit

Hyperoliidae edit

Leiuperidae edit

Leptodactylidae edit

Mantellidae edit

Megophryidae edit

Micrixalidae edit

Microhylidae edit

Myobatrachidae edit

Nyctibatrachidae edit

Phrynobatrachidae edit

Pipidae edit

Ptychadenidae edit

Pyxicephalidae edit

Ranidae edit

Ranixalidae edit

Rhacophoridae edit

Strabomantidae edit

Caudata edit

Ambystomatidae edit

Hynobiidae edit

Plethodontidae edit

Salamandridae edit

Gymnophiona edit

Caeciliidae edit

Ichthyophiidae edit

Rhinatrematidae edit

Aves edit

Apodiformes edit

Apodidae edit

Trochilidae edit

Caprimulgiformes edit

Aegothelidae edit

Caprimulgidae edit

Columbiformes edit

Columbidae edit

Coraciiformes edit

Alcedinidae edit

Falconiformes edit

Accipitridae edit

Gruiformes edit

Rallidae edit

Turnicidae edit

Passeriformes edit

Alaudidae edit

Campephagidae edit

Cisticolidae edit

Cracticidae edit

Estrildidae edit

Eupetidae edit

Fringillidae edit

Hirundinidae edit

Melanocharitidae edit

Meliphagidae edit

Motacillidae edit

Muscicapidae edit

Petroicidae edit

Ploceidae edit

Pycnonotidae edit

Sylviidae edit

Timaliidae edit

Vangidae edit

Zosteropidae edit

Piciformes edit

Indicatoridae edit

Ramphastidae edit

Procellariiformes edit

Hydrobatidae edit

Strigiformes edit

Strigidae edit

Tytonidae edit

Cephalaspidomorphi edit

Petromyzontiformes edit

Petromyzontidae edit

Chondrichthyes edit

Carcharhiniformes edit

Carcharhinidae edit

Hemigaleidae edit

Proscylliidae edit

Pseudotriakidae edit

Scyliorhinidae edit

Sphyrnidae edit

Triakidae edit

Chimaeriformes edit

Chimaeridae edit

Rhinochimaeridae edit

Heterodontiformes edit

Heterodontidae edit

Hexanchiformes edit

Hexanchidae edit

Lamniformes edit

Megachasmidae edit

Odontaspididae edit

Orectolobiformes edit

Ginglymostomatidae edit

Hemiscylliidae edit

Orectolobidae edit

Parascylliidae edit

Pristiophoriformes edit

Pristiophoridae edit

Rajiformes edit

Anacanthobatidae edit

Arhynchobatidae edit

Dasyatidae edit

Gymnuridae edit

Mobulidae edit

Myliobatidae edit

Narcinidae edit

Narkidae edit

Platyrhinidae edit

Potamotrygonidae edit

Rajidae edit

Rhinobatidae edit

Rhinopteridae edit

Torpedinidae edit

Urolophidae edit

Urotrygonidae edit

Zanobatidae edit

Squaliformes edit

Centrophoridae edit

Dalatiidae edit

Echinorhinidae edit

Etmopteridae edit

Oxynotidae edit

Somniosidae edit

Squalidae edit

Squatiniformes edit

Squatinidae edit

Mammalia edit

Afrosoricida edit

Chrysochloridae edit

Tenrecidae edit

Carnivora edit

Herpestidae edit

Viverridae edit

Cetartiodactyla edit

Balaenopteridae edit

Bovidae edit

Cervidae edit

Delphinidae edit

Iniidae edit

Neobalaenidae edit

Phocoenidae edit

Physeteridae edit

Suidae edit

Tayassuidae edit

Tragulidae edit

Ziphiidae edit

Chiroptera edit

Emballonuridae edit

Hipposideridae edit

Molossidae edit

Nycteridae edit

Phyllostomidae edit

Pteropodidae edit

Rhinolophidae edit

Rhinopomatidae edit

Thyropteridae edit

Vespertilionidae edit

Cingulata edit

Dasypodidae edit

Dasyuromorphia edit

Dasyuridae edit

Didelphimorphia edit

Didelphidae edit

Diprotodontia edit

Macropodidae edit

Phalangeridae edit

Eulipotyphla edit

Erinaceidae edit

Soricidae edit

Talpidae edit

Lagomorpha edit

Leporidae edit

Ochotonidae edit

Macroscelidea edit

Macroscelididae edit

Notoryctemorphia edit

Notoryctidae edit

Peramelemorphia edit

Peramelidae edit

Primates edit

Aotidae edit

Atelidae edit

Callitrichidae edit

Cebidae edit

Cercopithecidae edit

Cheirogaleidae edit

Galagidae edit

Hylobatidae edit

Indriidae edit

Lemuridae edit

Lepilemuridae edit

Lorisidae edit

Pitheciidae edit

Tarsiidae edit

Rodentia edit

Abrocomidae edit

Anomaluridae edit

Bathyergidae edit

Calomyscidae edit

Caviidae edit

Chinchillidae edit

Cricetidae edit

Ctenodactylidae edit

Ctenomyidae edit

Dasyproctidae edit

Dipodidae edit

Echimyidae edit

Erethizontidae edit

Geomyidae edit

Gliridae edit

Heteromyidae edit

Muridae edit

Nesomyidae edit

Octodontidae edit

Sciuridae edit

Spalacidae edit

Scandentia edit

Tupaiidae edit

Reptilia edit

Squamata edit

Agamidae edit

Anguidae edit

Anomochilidae edit

Colubridae edit

Elapidae edit

Gekkonidae edit

Lacertidae edit

Leptotyphlopidae edit

Phrynosomatidae edit

Polychrotidae edit

Scincidae edit

Teiidae edit

Tropiduridae edit

Typhlopidae edit

Viperidae edit

Xantusiidae edit

Xenosauridae edit

Testudines edit

Chelidae edit

Cheloniidae edit

Emydidae edit

Kinosternidae edit

Pelomedusidae edit

Testudinidae edit

Trionychidae edit

References edit