• Cavia porcellus (Linnaeus, 1758) cavia
  guinea pig
  
• Cedrus libani A.Rich. libanonceder
  cedar of Lebanon
  
• Ceiba pentandra (L.) Gaertn. kapok
  kapok
  
• celestien celestien
  celestine
  
• Centrocercus urophasianus (Bonaparte, 1827) waaierhoen
  greater sage grouse
  
• Centrochelys sulcata (Miller, 1779) sporenschildpad
  African spurred tortoise
  
• Cepaea nemoralis (Linnaeus, 1758) zwartgerande tuinslak
  brown-lipped snail
  
• Cephalotus follicularis Labill. (1806) Australische bekerplant
  Albany pitcher plant
  
• Cerastes cerastes Linnaeus, 1758 hoornadder
  horned viper
  
• Ceratonia siliqua L. johannesbroodboom
  carob
  
• Ceratotherium simum (Burchell, 1817) witte neushoorn
  white rhinoceros
  
• Cercartetus caudatus (Milne-Edwards, 1877) papoeabuidelslaapmuis
  long-tailed pygmy possum
  
• Cercopithecus cephus (Linnaeus, 1758) knevelmeerkat
  moustached guenon
  
• Cercopithecus mitis Wolf, 1822 diadeemmeerkat
  blue monkey
  
• Cercopithecus petaurista (Schreber, 1774) kleine witneusmeerkat
  lesser spot-nosed monkey
  
• Certhia brachydactyla Brehm, 1820 boomkruiper
  short-toed treecreeper
  
• Certhidea olivacea Gould, 1837 green warbler-finch
  olijfboszangervink
  
• cerussiet cerussiet
  cerussite
  
• Cervus elaphus Linnaeus, 1758 edelhert
  red deer
  
• Cervus elaphus maral Gray, 1850 kaukasushert
  Caspian red deer
  
• Cervus rhenanus Dubois, 1904 rijnhert
  
• Ceryle rudis (Linnaeus, 1758) bonte ijsvogel
  pied kingfisher
  
• Cetonia aurata (Linnaeus, 1758) gouden tor
  rose chafer
  
• Chaetodon auriga Forsskål, 1775 oogvlekkoraalvlinder
  threadfin butterflyfish
  
• Chaetophractus villosus (Desmarest, 1804) big hairy armadillo
  harig gordeldier
  
• chalcedoon chalcedoon
  chalcedony
  
• chalcopyriet chalcopyriet
  chalcopyrite
  
• Chalcosoma atlas (Linnaeus, 1758) atlaskever
  Atlas beetle
  
• Chamaeleo africanus Laurenti, 1768 African chameleon
  Afrikaanse kameleon
  
• Chara hispida Linneaus 1753 stekelharig kransblad
  bristly stonewort
  
• Charadrius alexandrinus Linnaeus, 1758 strandplevier
  Kentish plover
  
• Charadrius dubius Scopoli, 1786 kleine plevier
  little ringed plover
  
• Charadrius hiaticula Linnaeus, 1758 bontbekplevier
  common ringed plover
  
• charoiet charoiet
  charoite
  
• Charonia tritonis (Linnaeus, 1758) gewone tritonshoren
  giant triton
  
• Chelidonichthys lucerna (Linnaeus, 1758) rode poon
  tub gurnard
  
• Chelmon rostratus (Linnaeus, 1758) pincetvis
  copperband butterflyfish
  
• Chelon labrosus (Risso, 1827) diklipharder
  thicklip grey mullet
  
• Chelonia mydas (Linnaeus, 1758) green sea turtle
  groene zeeschildpad
  
• Chicoreus aquitanicus (Grateloup, 1833)
• Chicoreus ramosus (Linnaeus, 1758) ramose murex
  vertakte stekelhoren
  
• Chinchilla lanigera Bennett, 1829 chinchilla
  long-tailed chinchilla
  
• Chiropotes satanas (Hoffmannsegg, 1807) baardsaki
  black bearded saki
  
• Chiroxiphia linearis (Bonaparte, 1838) langstaartmanakin
  long-tailed manakin
  
• Chlamydotis macqueenii (Gray, 1834) oostelijke kraagtrap
  MacQueen's bustard
  
• chloorapatiet
• Chloris chloris (Linnaeus, 1758) groenling
  European greenfinch
  
• Chlorocebus aethiops (Linnaeus, 1758) groene meerkat
  grivet
  
• Choloepus didactylus (Linnaeus, 1758) tweevingerige luiaard
  Linnaeus's two-toed sloth
  
• chondriet chondriet (steenmeteoriet)
  chondrite