User:Fungus Guy/Gæa/IUCN Red List/CR
2009 IUCN Red List of Threatened Species
Extinct | Extinct in the Wild | Critically Endangered | Endangered | Vulnerable
A
- Abies beshanzuensis
- Abies nebrodensis
- Abies yuanbaoshanensis
- Abies ziyuanensis
- Abrocoma boliviensis— Bolivian Chinchilla Rat
- Abronia montecristoi— Monte Cristo Arboreal Alligator Lizard
- Abutilon eremitopetalum — Hidden-petal Indian Mallow
- Abutilon menziesii — Koʻoloaʻula
- Abutilon sandwicense — Greenflower Indian Mallow
- Acacia anegadensis— Pokemeboy
- Acacia belairioides
- Acacia mathuataensis
- Acacia roigii
- Acalypha ecuadorica
- Acalypha eggersii
- Acalypha raivavensis
- Acanthodactylus beershebensis— Be'er Sheva Fringe-fingered Lizard
- Acanthodactylus harranensis
- Acanthodactylus mechriguensis
- Acanthodactylus spinicauda— Doumergue's Fringe-fingered Lizard
- Acanthophoenix rubra — Barbel Palm
- Acer buergerianum ssp. formosanum — Taiwan Trident Maple
- Acer hainanense— Smooth Maple
- Acer leipoense
- Acer oblongum var. membranaceum
- Aceros waldeni— Rufous-headed Hornbill
- Acharagma aguirreanum
- Achatinella apexfulva
- Achatinella bellula
- Achatinella bulimoides
- Achatinella byronii
- Achatinella cestus
- Achatinella concavospira
- Achatinella curta
- Achatinella decipiens
- Achatinella fulgens
- Achatinella fuscobasis
- Achatinella leucorrhaphe
- Achatinella lila
- Achatinella lorata
- Achatinella mustelina
- Achatinella phaeozona
- Achatinella pulcherrima
- Achatinella pupukanioe
- Achatinella sowerbyana
- Achatinella stewartii
- Achatinella swiftii
- Achatinella taeniolata
- Achatinella turgida
- Achatinella viridans
- Achatinella vulpina
- Acheilognathus elongatus— Elongate Bitterling
- Achyranthes mutica — Blunt Chaff Flower
- Achyranthes splendens var. rotundata — Round-leaved Chaff Flower
- Achyrocline glandulosa
- Achyrocline mollis
- Acinonyx jubatus hecki— Northwest African Cheetah
- Acinonyx jubatus venaticus— Asiatic Cheetah
- Acioa cinerea
- Acioa dichotoma
- Acioa eketensis
- Acipenser dabryanus— Yangtze Sturgeon
- Acipenser nudiventris pop. River Danube— Bastard Sturgeon (River Danube stock)
- Acipenser sturio— European Sea Sturgeon
- Acipenser transmontanus pop. Nechako River— White Sturgeon (Nechako River stock)
- Acipenser transmontanus pop. Upper Columbia River— White Sturgeon (Upper Columbia River stock)
- Acmopyle sahniana
- Acrocephalus familiaris— Millerbird
- Acropora cervicornis— Staghorn Coral
- Acropora palmata— Elkhorn Coral
- Actinodaphne cuspidata
- Actinodaphne lanata
- Addax nasomaculatus— Addax
- Adelobotrys panamensis
- Adenomus dasi
- Adetomyrma venatrix — Dracula Ant
- Adrianichthys kruyti — Duck-billed Buntingi
- Aegiphila glomerata
- Aegotheles savesi— New Caledonian Owlet-nightjar
- Aetheolaena hypoleuca
- Aetheolaena ledifolia
- Aetheolaena pichinchensis
- Aethionema retsina
- Afrothismia pachyantha
- Afrothismia winkleri
- Agalychnis moreletii— Morelet's Treefrog
- Aglaia densitricha
- Aglaia evansensis
- Aglaia gracilis
- Aglaia heterotricha
- Aglaia mackiana
- Aglaia malabarica
- Aglaia pleuropteris
- Aglaia unifolia
- Aglaothorax longipennis — Santa Monica Shieldback Katydid
- Agrostistachys hookeri
- Ailurops melanotis— Talaud Bear Cuscus
- Alasmidonta raveneliana— Appalachian Elktoe
- Alauda razae— Raso Lark
- Albericus siegfriedi
- Albizia guillainii
- Albizia vaughanii
- Alburnus macedonicus — Dojran Bleak
- Alburnus mandrensis — Mandras Shemaja
- Alburnus vistonicus — Vistonis Shemaja
- Alcelaphus buselaphus tora— Tora Hartebeest
- Alchemilla fischeri ssp. camerunensis
- Alectryon macrococcus — ʻAlaʻalahua
- Alectryon macrococcus var. auwahiensis — ʻAlaʻalahua
- Alectryon macrococcus var. macrococcus — ʻAlaʻalahua
- Alexteroon jynx
- Alligator sinensis— Chinese Alligator
- Allium rouyi
- Allobates juanii
- Allophylus hispidus
- Allotoca maculata — Opal Goodeid
- Alocasia atropurpurea
- Alocasia sanderiana — Kris Plant
- Alocasia sinuata
- Aloe helenae
- Aloe pillansii— Giant Quiver Tree
- Aloe suzannae
- Alosa killarnensis— Killarney Shad
- Alosa vistonica
- Alouatta guariba guariba— Northern Brown Howler Monkey
- Alouatta palliata mexicana— Mexican Howler Monkey
- Alouatta palliata trabeata— Azuero Howler Monkey
- Alphonsea kingii
- Alsinidendron lychnoides
- Alsinidendron obovatum
- Alsinidendron trinerve— Three-nerved Alsinidendron
- Alsinidendron viscosum— Climbing Alsinidendron
- Alsodes montanus
- Alsodes tumultuosus
- Alsodes vanzolinii
- Alsophis antiguae— Antiguan Racer
- Alsophis ater — Black Racer
- Amanipodagrion gilliesi
- Amanoa anomala
- Amaranthus brownii — Brown's Pigweed
- Amastra cylindrica
- Amastra micans
- Amastra rubens
- Amastra spirizona
- Amaurospiza carrizalensis— Carrizal Seedeater
- Amazilia castaneiventris— Chestnut-bellied Hummingbird
- Amazilia luciae— Honduran Emerald
- Amazona vittata— Puerto Rican Amazon
- Amblema neislerii — Fat Threeridge
- Ambystoma amblycephalum— Blunt-headed Salamander
- Ambystoma andersoni— Anderson's Salamander
- Ambystoma bombypellum— Delicate-skinned Salamander
- Ambystoma dumerilii— Lake Pátzcuaro Salamander
- Ambystoma granulosum— Granular Salamander
- Ambystoma leorae— Leora's Stream Salamander
- Ambystoma lermaense— Lake Lerma Salamander
- Ambystoma mexicanum— Axolotl
- Ambystoma taylori— Taylor's Salamander
- Ameerega ingeri
- Ameerega planipaleae— Oxapampa Poison Frog
- Ameiva polops— Saint Croix Ground Lizard
- Amentotaxus formosana
- Amesiella monticola
- Amietophrynus taiensis
- Ammopiptanthus nanus
- Amphitecna spathicalyx
- Amsinckia marginata
- Anas laysanensis— Laysan Duck
- Anas nesiotis— Campbell Island Teal
- Anchusa crispa — Crisp Bugloss
- Ancylastrum cumingianus— Australian Freshwater Limpet
- Andinophryne colomai— Carchi Andes Toad
- Andrias davidianus— Chinese Giant Salamander
- Andropogon benthamianus
- Aneuretus simoni— Sri Lankan Relict Ant
- Angrobia grampianensis
- Anguilla anguilla— European Eel
- Aniba pedicellata
- Anisogomphus solitaris
- Anisoptera curtisii
- Anisoptera megistocarpa
- Anisoptera reticulata
- Anisoptera scaphula
- Anisoptera thurifera ssp. thurifera
- Annona ecuadorensis
- Annona hystricoides
- Annona manabiensis
- Anodendron rhinosporum
- Anodorhynchus glaucus— Glaucous Macaw
- Anodorhynchus leari— Lear's Macaw
- Anolis roosevelti — Culebra Island Giant Anole
- Anoxypristis cuspidata— Knifetooth Sawfish
- Anthemis glaberrima
- Anthonotha leptorrhachis
- Anthracoceros montani— Sulu Hornbill
- Anthurium coerulescens
- Anthurium eggersii
- Anthurium linguifolium
- Anthurium tenuicaule
- Antilophia bokermanni— Araripe Manakin
- Antirhea tomentosa
- Antrisocopia prehensilis
- Apalis fuscigularis— Taita Apalis
- Apalone ater— Cuatro Ciénegas Softshell Turtle
- Aphanius almiriensis— Almiri Toothcarp
- Aphanius richardsoni
- Aphanius sirhani
- Aphanius splendens
- Aphanius transgrediens
- Aphrastura masafuerae— Masafuera Rayadito
- Apium bermejoi
- Aplocheilichthys sp. nov. 'Baringo'
- Aplonis pelzelni— Pohnpei Starling
- Aporusa fusiformis
- Aproteles bulmerae— Bulmer's Fruit Bat
- Aquadulcaris pheronyx
- Aquilaria crassna — Eagle Wood
- Aquilegia barbaricina — Barbaricina Columbine
- Aquilegia nuragica — Nuragica Columbine
- Ara glaucogularis— Blue-throated Macaw
- Arabis kennedyae — Troodos Rockcress
- Arachnothryx chimboracensis
- Araucaria angustifolia — Paraná Pine
- Araucaria nemorosa
- Ardea insignis— White-bellied Heron
- Ardisia byrsonimae
- Ardisia etindensis
- Ardisia oligantha
- Ardisia schlechteri
- Arenaria bolosii
- Arenaria nevadensis
- Arenaria radians
- Argyroxiphium kauense — Kaʻū Silversword
- Argyroxiphium sandwicense ssp. sandwicense — Haleakalā Silversword
- Arinia boreoborneensis
- Arinia dentifera
- Arinia oviformis
- Arinia simplex
- Ariocarpus bravoanus ssp. bravoanus
- Aristolochia utriformis
- Aristolochia westlandii
- Arkansia wheeleri— Ouachita Rock Pocketbook
- Armsia petasus
- Aromobates leopardalis — Sapito Leopardo
- Aromobates meridensis — Sapido de Niebla Merideno
- Aromobates nocturnus — Skunk Frog
- Arthroleptella ngongoniensis— Ngoni Moss Frog
- Arthroleptis troglodytes— Cave Squeaker
- Artibeus incomitatus— Solitary Fruit-eating Bat
- Artisornis moreaui— Long-billed Tailorbird
- Ascoglossum calopterum
- Asplundia clementinae
- Asplundia lutea
- Astatotilapia sp. nov. 'dwarf bigeye scraper'
- Astelia waialealae
- Aster quitensis
- Asterogyne yaracuyense
- Asteropeia amblyocarpa
- Astragalus cavanillesii
- Astragalus macrocarpus ssp. lefkarensis — Lefkara Milk-vetch
- Astroblepus ubidiai— Andean Catfish
- Astrocaryum minus
- Astrochelys radiata— Radiated Tortoise
- Astrochelys yniphora— Angonoka
- Astronidium floribundum
- Astronidium inflatum
- Astronidium kasiense
- Astronidium lepidotum
- Astronidium pallidiflorum
- Astronidium saulae
- Astylosternus nganhanus — Nganha Night Frog
- Ateles fusciceps— Black-headed Spider Monkey
- Ateles fusciceps fusciceps— Brown-headed Spider Monkey
- Ateles fusciceps rufiventris— Colombian Spider Monkey
- Ateles geoffroyi azuerensis— Azuero Spider Monkey
- Ateles geoffroyi geoffroyi— Nicaraguan Spider Monkey
- Ateles geoffroyi vellerosus— Mexican Spider Monkey
- Ateles hybridus— Variegated Spider Monkey
- Ateles hybridus brunneus— Brown Spider Monkey
- Ateles hybridus hybridus— Variegated Spider Monkey
- Atelopus andinus — Andes Stubfoot Toad
- Atelopus angelito
- Atelopus arsyecue
- Atelopus arthuri — Arthur's Stubfoot Toad
- Atelopus balios — Río Pescado Stubfoot Toad
- Atelopus bomolochos — Azuay Stubfoot Toad
- Atelopus boulengeri — Boulenger's Stubfoot Toad
- Atelopus carauta— Río Carauta Stubfoot Toad
- Atelopus carbonerensis — Venezuelan Yellow Frog
- Atelopus carrikeri— Carrikeri Harlequin Frog
- Atelopus chiriquiensis — Lewis' Stubfoot Toad
- Atelopus chocoensis — Chocó Stubfoot Toad
- Atelopus chrysocorallus
- Atelopus coynei — Río Faisanes Stubfoot Toad
- Atelopus cruciger — Rancho Grande Harlequin Frog
- Atelopus ebenoides — Painted Frog
- Atelopus elegans— Elegant Stubfoot Toad
- Atelopus epikeisthos
- Atelopus erythropus — Carabaya Stubfoot Toad
- Atelopus eusebianus — Malvasa Stubfoot Toad
- Atelopus exiguus
- Atelopus famelicus
- Atelopus farci — Forest Stubfoot Toad
- Atelopus galactogaster — Antado Stubfoot Toad
- Atelopus glyphus — Pirri Range Stubfoot Toad
- Atelopus guanujo— Puca Sapo
- Atelopus guitarraensis — La Guitarra Stubfoot Toad
- Atelopus halihelos — Morona-Santiago Stubfoot Toad
- Atelopus laetissimus
- Atelopus lozanoi
- Atelopus lynchi — Lynch's Stubfoot Toad
- Atelopus mandingues
- Atelopus mindoensis — Mindo Stubfoot Toad
- Atelopus minutulus — Colombian Stubfoot Toad
- Atelopus monohernandezii — Hernández's Stubfoot Toad
- Atelopus mucubajiensis — Mucubaji Stubfoot Toad
- Atelopus muisca — La Arboleda Stubfoot Toad
- Atelopus nahumae
- Atelopus nanay
- Atelopus nepiozomus — Gualecenita Stubfoot Toad
- Atelopus nicefori — Niceforo's Stubfoot Toad
- Atelopus onorei
- Atelopus oxyrhynchus — Rednose Stubfoot Toad
- Atelopus pachydermus — Schmidt's Stubfoot Toad
- Atelopus pedimarmoratus — San Isidro Stubfoot Toad
- Atelopus peruensis — Perú Stubfoot Toad
- Atelopus petersi — Peters' Stubfoot Toad
- Atelopus petriruizi
- Atelopus pictiventris — Painted Stubfoot Toad
- Atelopus pinangoi— Green and Red Venter Harlequin Toad
- Atelopus planispina — Napo Stubfoot Toad
- Atelopus pulcher
- Atelopus pyrodactylus
- Atelopus quimbaya
- Atelopus reticulatus
- Atelopus seminiferus — Upper Amazon Stubfoot Toad
- Atelopus senex — Pass Stubfoot Toad
- Atelopus sernai
- Atelopus simulatus
- Atelopus sonsonensis — Sonsón Stubfoot Toad
- Atelopus sorianoi— Scarlet Harlequin Toad
- Atelopus subornatus — Bogotá Stubfoot Toad
- Atelopus tamaensis— Tamá Harlequin Frog
- Atelopus varius — Costa Rican Variable Harlequin Toad
- Atelopus walkeri — Walker's Stubfoot Toad
- Atelopus zeteki— Panamanian Golden Frog
- Atlantasellus cavernicolus
- Atlapetes pallidiceps— Pale-headed Brush-finch
- Atopophrynus syntomopus
- Atriplex plebeja
- Atrophaneura jophon— Sri Lankan Rose
- Attalea crassispatha — Carossier
- Aubregrinia taiensis
- Auerodendron pauciflorum
- Austrocordulia leonardi — Sydney Hawk
- Austrolebias cinereus
- Autranella congolensis
- Axis kuhlii— Bawean Deer
- Aythya innotata— Madagascar Pochard
B
- Baccharis aretioides
- Baccharis fusca
- Bactris nancibensis
- Badula crassa
- Badula platyphylla
- Badula reticulata
- Bahaba taipingensis— Chinese Bahaba
- Balaena mysticetus pop. Svalbard-Barents Sea— Bowhead Whale (Svalbard-Barents Sea stock)
- Balaenoptera musculus intermedia— Antarctic Blue Whale
- Balaka macrocarpa
- Banara vanderbiltii — Palo de Ramón
- Barbatula eregliensis
- Barbatula simavica
- Barbouria cubensis
- Barbus erubescens— Twee River Redfin
- Barbus euboicus— Petropsaro
- Barbus ruasae
- Barbus sp. nov. 'Banhine' — Banhine Barb
- Barleria observatrix
- Batagur baska— Batagur
- Bauhinia paradisi
- Bauhinia seminarioi
- Bazzania bhutanica
- Beatragus hunteri— Hirola
- Beccariophoenix madagascariensis
- Bedotia sp. nov. 'Manombo'
- Bedotia sp. nov. 'Sambava'
- Bedotia sp. nov. 'Vevembe'
- Bedotia tricolor
- Begonia asympeltata
- Begonia pelargoniiflora
- Begonia quadrialata ssp. dusenii
- Begonia salaziensis — Oseille Maronne
- Beilschmiedia penangiana
- Beilschmiedia preussii
- Belgrandiella austriana
- Belgrandiella ganslmayri
- Belgrandiella mimula
- Belgrandiella parreyssii
- Belgrandiella pelerei
- Belgrandiella styriaca
- Belgrandiella wawrai
- Bellamya liberiana
- Belonophora ongensis
- Berberis karkaralensis
- Berberis nilghiriensis
- Bermudalana aruboides
- Bermudamysis speluncola
- Betta miniopinna
- Betta persephone
- Betta spilotogena
- Bettongia penicillata— Woylie
- Betula halophila
- Betula jarmolenkoana
- Betula kirghisorum
- Betula schugnanica
- Betula uber — Virginia Round-leaf Birch
- Bhesa nitidissima
- Bhesa sinica
- Bidens campylotheca ssp. pentamera — Koʻokoʻolau
- Bidens campylotheca ssp. waihoiensis — Koʻokoʻolau
- Bidens hendersonensis var. oenoensis
- Bidens simplicifolia
- Bidens wiebkei — Molokaʻi Koʻokoʻolau
- Bifurcaria galapagensis — Galápagos Stringweed
- Biomphalaria barthi
- Biscutella rotgesii — Lunetière de Rotgès
- Biswamoyopterus biswasi— Namdapha Flying Squirrel
- Blakea granatensis
- Bogidiella bermudensis
- Bokermannohyla izecksohni — Izecksohn's Treefrog
- Bolitoglossa capitana— Orphan Salamander
- Bolitoglossa carri— Cloud Forest Salamander
- Bolitoglossa decora— Monte Escondido Salamander
- Bolitoglossa diaphora— El Cusuco Salamander
- Bolitoglossa longissima— Longest Climbing Salamander
- Bolitoglossa oresbia — Zarciadero Web-footed Salamander
- Bolitoglossa synoria— Cerro Pital Salamander
- Bomarea angustifolia
- Bomarea goniocaulon
- Bomarea graminifolia
- Bomarea hartwegii
- Bomarea longipes
- Bombax insigne var. polystemon
- Bombus franklini— Franklin's Bumble Bee
- Bonamia menziesii
- Boninagrion ezoin
- Boninthemis insularis
- Bonnetia ptariensis
- Boophis williamsi
- Bos sauveli— Kouprey
- Bostrychia bocagei— Dwarf Olive Ibis
- Bothrops alcatraz — Alcatrazes Lancehead
- Bothrops insularis— Golden Lancehead
- Boucardicus fidimananai
- Boucardicus fortistriatus
- Boucardicus simplex
- Boulengerula niedeni — Sagala Caecilian
- Brachionichthys hirsutus— Spotted Handfish
- Brachylophus vitiensis— Fiji Crested Iguana
- Brachyramphus brevirostris— Kittlitz' Murrelet
- Brachystephanus kupeensis
- Brachyteles hypoxanthus— Northern Muriqui
- Bradypodion taeniabronchum— Smith's Dwarf Chamaeleon
- Bradypus pygmaeus— Pygmy Sloth
- Bradytriton silus— Finca Chiblac Salamander
- Branchinecta belki
- Branchinecta mexicana
- Branchinella lithaca
- Brighamia insignis — ʻŌlulu
- Brighamia rockii — Pua ʻAla
- Brimeura duvigneaudii
- Bromeliohyla dendroscarta— Greater Bromeliad Treefrog
- Browneopsis macrofoliolata
- Brymela tutezona
- Bryopteris gaudichaudii
- Bubalus mindorensis— Tamaraw
- Buchanania barberi
- Buddleja formosana
- Bufo sumatranus— Sumatra Toad
- Bulbophyllum filiforme
- Bulbophyllum kupense
- Bulimulus achatellinus
- Bulimulus adelphus
- Bulimulus adserseni
- Bulimulus chemitzioides
- Bulimulus curtus
- Bulimulus deridderi
- Bulimulus duncanus
- Bulimulus eos
- Bulimulus eschariferus
- Bulimulus galapaganus
- Bulimulus habeli
- Bulimulus hirsutus
- Bulimulus indefatigabilis
- Bulimulus jacobi
- Bulimulus lycodus
- Bulimulus ochsneri
- Bulimulus reibischi
- Bulimulus saeronius
- Bulimulus sculpturatus
- Bulimulus sp. nov. 'josevillani'
- Bulimulus sp. nov. 'krameri'
- Bulimulus sp. nov. 'nilsodhneri'
- Bulimulus sp. nov. 'tuideroyi'
- Bulimulus sp. nov. 'vanmoli'
- Bulimulus tanneri
- Bulimulus wolfi
- Bunolagus monticularis— Riverine Rabbit
- Bunomys coelestis— Heavenly Hill Rat
- Bupleurum dianthifolium
- Bupleurum elatum
- Bupleurum kakiskalae
- Burmagomphus sivalikensis
- Burmeistera asplundii
- Burmeistera rubrosepala
- Burramys parvus— Mountain Pygmy Possum
- Buteo ridgwayi— Ridgway's Hawk
- Buxus vahlii — Vahl's Boxwood
- Byblis gigantea
- Byrsonima nemoralis ssp. dressleri
- Bythinella bicarinata
- Bythiospeum cisterciensorum
- Byttneria minytricha
C
- Cacatua haematuropygia— Red-vented Cockatoo
- Cacatua sulphurea— Yellow-crested Cockatoo
- Cadaba insularis
- Caesalpinia kavaiensis— Uhiuhi
- Calamus compsostachys
- Calamus obovoideus
- Calamus wailong
- Calathea dodsonii
- Calathea petersenii
- Calendula maritima — Sea Marigold
- Callagur borneoensis— Painted Batagur
- Callicarpa ampla
- Callicebus barbarabrownae— Barbara Brown's Titi
- Calligonum calcareum
- Calligonum triste
- Callionymus sanctaehelenae— Saint Helena Dragonet
- Calodendrum eickii
- Calophyllum acutiputamen
- Calophyllum cuneifolium
- Calotriton arnoldi
- Calycorectes schottianus
- Calyptranthes acutissima
- Calyptranthes arenicola
- Calyptranthes flavo-viridis
- Calyptranthes kiaerskovii
- Calyptranthes pozasiana
- Calyptranthes uniflora
- Calyptura cristata— Kinglet Calyptura
- Camarhynchus heliobates— Mangrove Finch
- Cambarus tartarus — Oklahoma Cave Crayfish
- Cambarus zophonastes — Hell Creek Cave Crayfish
- Camelus ferus— Wild Bactrian Camel
- Campephilus imperialis— Imperial Woodpecker
- Campephilus principalis— Ivory-billed Woodpecker
- Canarium whitei
- Canavalia molokaiensis — Molokaʻi Jack-bean
- Canavalia napaliensis — Mākaha Valley Jack-bean
- Canavalia pubescens — ʻĀwikiwiki
- Canis rufus— Red Wolf
- Capoeta pestai — Şiraz Balığı
- Capparis mirifica
- Capparis panamensis
- Caprimulgus noctitherus— Puerto Rican Nightjar
- Captaincookia margaretae
- Carcharhinus hemiodon— Pondicherry Shark
- Carcharias taurus pop. Australian East Coast— Grey Nurse Shark (Australian East Coast stock)
- Carcharias taurus pop. Southwest Atlantic— Grey Nurse Shark (Southwest Atlantic stock)
- Cardioglossa alsco — Alsco Long-fingered Frog
- Cardioglossa trifasciata — Nsoung Long-fingered Frog
- Carex lepida
- Carex tessellata
- Cariniana kuhlmannii
- Cariniana penduliflora
- Carlowrightia ecuadoriana
- Carpinus putoensis
- Carpococcyx viridis— Sumatran Ground-cuckoo
- Carpodiptera mirabilis
- Carpoxylon macrospermum
- Carum foetidum
- Casearia mauritiana
- Casearia williamsiana
- Caseolus subcalliferus
- Cassine koordersii
- Cassipourea eketensis
- Cassipourea subcordata
- Cassipourea subsessilis
- Castanopsis catappaefolia
- Cavia intermedia— Santa Catarina's Guinea Pig
- Cebus albifrons aequatorialis— Ecuadorian White-fronted Capuchin
- Cebus albifrons trinitatis— Trinidad White-fronted Capuchin
- Cebus apella margaritae— Margarita Island Capuchin
- Cebus flavius— Blonde Capuchin
- Cebus kaapori— Ka'apor Capuchin
- Cebus xanthosternos— Golden-bellied Capuchin
- Cecilioides eulima
- Celestus anelpistus— Giant Hispaniolan Galliwasp
- Celestus warreni
- Celeus obrieni— Kaempfer's Woodpecker
- Cenchrus agrimonioides — Kāmanomano
- Cenchrus agrimonioides var. agrimonioides — Kāmanomano
- Centaurea akamantis — Akamas Centaury
- Centaurium sebaeoides— ʻĀwiwi
- Centaurodendron dracaenoides
- Centaurodendron palmiforme
- Centranthus amazonum— Centranthe des Amazones
- Centranthus trinervis— Centranthe à Trois Nervures
- Centrolene ballux
- Centrolene gemmatum
- Centrolene heloderma
- Centrophorus uyato pop. Australia— Little Gulper Shark (Australian stock)
- Centrophorus harrissoni— Dumb Gulper Shark
- Centropogon albostellatus
- Centropogon brachysiphoniatus
- Centropogon cazaletii
- Centropogon pilalensis
- Centropogon solisii
- Centropogon uncinatus
- Centropus steerii— Black-hooded Coucal
- Cephalakompsus pachycheilus
- Cephalophus adersi— Aders' Duiker
- Cephalorhynchus hectori maui— Maui's Dolphin
- Ceratocentron fesselii
- Ceratophallus socotrensis
- Ceratotherium simum cottoni— Northern White Rhinoceros
- Ceratozamia euryphyllidia
- Ceratozamia fusco-viridis
- Ceratozamia kuesteriana
- Ceratozamia norstogii
- Ceratozamia zaragozae
- Cercocarpus traskiae — Catalina Mahogany
- Cercopithecus dryas— Dryas Monkey
- Cercopithecus mitis schoutedeni— Schouteden's Blue Monkey
- Cercopithecus mitis zammaranoi— Zammarano's Monkey
- Cerion nanus
- Ceropegia decidua ssp. pretoriensis
- Ceroxylon sasaimae
- Cestrum tipocochense
- Ceylonthelphusa callista
- Ceylonthelphusa durrelli
- Ceylonthelphusa kotagama
- Ceylonthelphusa nana
- Ceylonthelphusa nata
- Ceylonthelphusa orthos
- Ceylonthelphusa sanguinea
- Ceylonthelphusa savitriae
- Chaetocarpus pubescens
- Chalcides ebneri — Ebner's Skink
- Chamaesyce deppeana
- Chamaesyce eleanoriae
- Chamaesyce halemanui
- Chamaesyce herbstii
- Chamaesyce remyi
- Chamaesyce remyi var. kauaiensis
- Chamaesyce remyi var. remyi
- Chamaesyce rockii
- Championella sarcorrhiza
- Charadrahyla altipotens— Yellowbelly Voiceless Treefrog
- Charadrahyla trux— Spine-fingered Treefrog
- Charadrius sanctaehelenae— Saint Helena Plover
- Charmosyna amabilis— Red-throated Lorikeet
- Charmosyna diadema— New Caledonian Lorikeet
- Charmosyna toxopei— Blue-fronted Lorikeet
- Charpentiera densiflora — Pāpala
- Chasmistes cujus— Cui-ui
- Chassalia capitata — Bois Corail
- Chassalia coriacea var. johnstonii
- Chassalia laikomensis
- Cheirolophus crassifolius — Maltese Rock-centaury
- Chela caeruleostigmata
- Chelodina mccordi— Roti Island Snake-necked Turtle
- Chigua bernalii
- Chigua restrepoi
- Chilatherina sentaniensis— Sentani Rainbowfish
- Chiloglanis lufirae
- Chiloglanis ruziziensis
- Chinchilla chinchilla— Short-tailed Chinchilla
- Chinchilla lanigera— Long-tailed Chinchilla
- Chionanthus fluminensis
- Chionanthus proctorii
- Chionanthus subsessilis
- Chionanthus tenuis
- Chironius vincenti— Saint Vincent Blacksnake
- Chiropotes satanas— Black Bearded Saki
- Chiropterotriton arboreus— Arboreal Splayfoot Salamander
- Chiropterotriton chiropterus— Common Splayfoot Salamander
- Chiropterotriton lavae— Pygmy Splayfoot Salamander
- Chiropterotriton magnipes— Bigfoot Splayfoot Salamander
- Chiropterotriton terrestris— Terrestrial Splayfoot Salamander
- Chitra chitra— Striped Narrow-headed Softshell Turtle
- Chlamydogobius micropterus— Elizabeth Springs Goby
- Chlamydogobius squamigenus— Edgbaston Goby
- Chlorogomphus brunneus keramensis
- Chloroleucon tortum
- Chlorophytum petrophilum
- Chodanthus montecillensis
- Chondrohierax wilsonii— Cuban Kite
- Chordospartium muritai
- Chrysophyllum claraense
- Chrysophyllum durifructum
- Chrysophyllum euryphyllum
- Chrysophyllum superbum
- Chrysoritis cotrelli
- Churamiti maridadi
- Cinclodes aricomae— Royal Cinclodes
- Cinnamomum kotoense
- Cinnamomum rivulorum
- Cinnamomum walaiwarense
- Cipocereus pusilliflorus
- Cistus heterophyllus ssp. carthaginensis — Jara de Cartagena
- Citharexylum quitense
- Citharexylum svensonii
- Citrus taiwanica
- Claoxylon linostachys
- Claravis godefrida— Purple-winged Ground Dove
- Clarias cavernicola — Cave Catfish
- Clarias maclareni
- Clavija parvula
- Cleidion lemurum
- Cleistanthus major
- Cleistanthus robustus
- Cleptornis marchei— Golden White-eye
- Clermontia oblongifolia ssp. brevipes — Oʻahu Clermontia
- Clermontia oblongifolia ssp. mauiensis
- Clermontia pyrularia — Pear Clermontia
- Clermontia samuelii
- Clermontia samuelii ssp. hanaensis
- Clermontia samuelii ssp. samuelii
- Clethra coloradensis
- Clidemia ecuadorensis
- Clinothelphusa kakoota
- Clitoria andrei
- Clupeonella abrau
- Coahuilix hubbsi— Coahuilix de Hubbs Snail
- Cobitis bilseli
- Cobitis illyrica
- Cobitis puncticulata
- Cobitis stephanidisi
- Cobitis taurica — Crimean Spined Loach
- Coccoloba cholutecensis
- Coccoloba lindaviana
- Coccoloba retirensis
- Coccothrinax borhidiana — Borhidi's Guano Palm
- Cochranella puyoensis
- Cocoharpinia iliffei
- Coeligena orina— Dusky Starfrontlet
- Coenagriocnemis insularis
- Cola cecidiifolia
- Cola metallica
- Cola nigerica
- Cola praeacuta
- Coleocephalocereus purpureus
- Coleura seychellensis— Seychelles Sheath-tailed Bat
- Colluricincla sanghirensis— Sangihe Shrike-thrush
- Colophon berrisfordi
- Colophon cassoni
- Colophon montisatris
- Colophon primosi
- Colostethus jacobuspetersi
- Colubrina hondurensis
- Colubrina oppositifolia
- Columba argentina— Silvery Pigeon
- Columbina cyanopis— Blue-eyed Ground-dove
- Columnea asteroloma
- Columnea manabiana
- Columnea poortmannii
- Combretum tenuipetiolatum
- Commidendrum spurium — False Gumwood
- Comocladia parvifoliola
- Congosorex phillipsorum
- Connarus ecuadorensis
- Connarus popenoei
- Conothraupis mesoleuca— Cone-billed Tanager
- Conraua derooi
- Consolida samia
- Convolvulus argyrothamnos
- Cookeconcha contorta
- Cophixalus concinnus— Elegant Frog
- Cophyla berara
- Coprosma rapensis var. benefica — Red Berry
- Coracina newtoni— Réunion Cuckoo-shrike
- Cordia leslieae
- Cordia rupicola— Puerto Rico Manjack
- Cordia urticacea
- Cordia wagnerorum — Luquillo Mountain Manjack
- Cordulegaster helladica kastalia
- Coregonus bavaricus — Ammersee Kilch
- Coregonus hoferi — Schwebrenke
- Coregonus pennantii— Gwyniad
- Coregonus reighardi— Shortnose Cisco
- Coregonus trybomi
- Cornutia obovata — Capá Jigüerilla
- Corvus kubaryi— Mariana Crow
- Corvus unicolor— Banggai Crow
- Coryphantha vogtherriana
- Cottus paulus— Pygmy Sculpin
- Cottus rondeleti — Hérault Sculpin
- Cotylelobium lewisianum
- Cotylelobium scabriusculum