Common Name - -	Family : Order
Kaiser's mountain newt - -	Salamandridae : Urodela
Kamchatka crab - -	Lithodidae : Decapoda
Kampira falls frog - -	Ranidae : Anura
Karoo thorn mealybug - -	Pseudococcidae : Homoptera
Kashmir flour beetle - -	Tenebrionidae : Coleoptera
Kedema clearwing butterfly - -	Ithomiidae : Lepidoptera
Keeled mullet - -	Mugilidae : Mugiliformes
Keeled seastar - -	Asteropseidae : Valvatida
Kelp rockfish - -	Sebastidae : Perciformes
Kemp's ridley sea turtle - -	Cheloniidae : Testudines
Kennedy's honeypot ant - -	Formicidae : Hymenoptera
Kentish pinhead - -	Polyzoniidae : Polyzoniida
Kenya genet - -	Viverridae : Carnivora
Kenya tree coral - -	Nephtheidae : Alcyonacea
Kenyan carpet viper - -	Viperidae : Squamata
Keta salmon - -	Salmonidae : Salmoniformes
Kew arches - -	Noctuidae : Lepidoptera
Khapra beetle - -	Dermestidae : Coleoptera
Khomeini beetle - -	Scarabaeidae : Coleoptera
Kidako moray - -	Muraenidae : Anguilliformes
Kidney sponge - -	Chondrosiidae : Chondrosiida
Kidney-spot ladybird - -	Coccinellidae : Coleoptera
Killer algae - -	Caulerpaceae : Bryopsidales
Kina - -	Echinometridae : Camarodonta
King brown snake - -	Elapidae : Squamata
King cobra - -	Elapidae : Squamata
King George whiting - -	Sillaginidae : Perciformes
Kingfish - -	Carangidae : Carangiformes
Kivu reed frog - -	Hyperoliidae : Anura
Klamath weed beetle - -	Chrysomelidae : Coleoptera
Klappenbach's red-belly toad - -	Bufonidae : Anura
Klipspringer - -	Bovidae : Artiodactyla
Klug's velvet ant - -	Mutillidae : Hymenoptera
Klunzinger's feather star - -	Mariametridae : Comatulida
Knab's leafbeetle - -	Chrysomelidae : Coleoptera
Knapweed carder bumblebee - -	Apidae : Hymenoptera
Knapweed conch moth - -	Tortricidae : Lepidoptera
Knapweed root weevil - -	Curculionidae : Coleoptera
Knife-footed frog - -	Hylidae : Anura
Knife-shaped ibalia - -	Ibaliidae : Hymenoptera
Knight's flexible sea rod - -	Plexauridae : Alcyonacea
Knobby candelabrum - -	Plexauridae : Alcyonacea
Knotgrass leafbeetle - -	Chrysomelidae : Coleoptera
Knotgrass moth - -	Noctuidae : Lepidoptera
Knotted fan coral - -	Melithaeidae : Malacalcyonacea
Knotted wrack - -	Fucaceae : Fucales
Koa seedworm - -	Tortricidae : Lepidoptera
Koala - -	Phascolarctidae : Diprotodontia
Kobelt's ark shell - -	Arcidae : Arcida
Kokoe poison frog - -	Dendrobatidae : Anura
Korean apricot wasp - -	Eurytomidae : Hymenoptera
Korean brown frog - -	Ranidae : Anura
Korean mussel - -	Mytilidae : Mytilida
Korean slamosa snake - -	Viperidae : Squamata
Krempf's wart slug - -	Phyllidiidae : Nudibranchia
Kretsfly - -	Noctuidae : Lepidoptera
Kuhl’s creek frog - -	Dicroglossidae : Anura
Kunbu sea cress - -	Lessoniaceae : Laminariales
Kurile sea cucumber - -	Cucumariidae : Dendrochirotida
Kurile spiny star - -	Goniasteridae : Valvatida
Kuroda’s sea hare - -	Aplysiidae : Aplysiida
Kutum - -	Leuciscidae : Cypriniformes