Past creatures

Every creature from a past CreatureFeature daily, with its taxonomy from kingdom to species, where it lives and its fun facts.

Spoilers ahead for the archive: each page names its day's answer.

Amphibian

• African clawed frog Xenopus laevis
• American bullfrog Lithobates catesbeianus
• Argentine horned frog Ceratophrys ornata
• Australian green tree frog Pelodryas caerulea
• Axolotl Ambystoma mexicanum
• Cacops Cacops aspidephorus
• Cane toad Rhinella marina
• Chinese giant salamander Andrias davidianus
• Common frog Rana temporaria
• Darwin's frog Rhinoderma darwinii
• Diplocaulus Diplocaulus salamandroides
• Fire salamander Salamandra salamandra
• Fleischmann's glass frog Hyalinobatrachium fleischmanni
• Golden poison frog Phyllobates terribilis
• Hellbender Cryptobranchus alleganiensis
• Iberian ribbed newt Pleurodeles waltl
• Northern crested newt Triturus cristatus
• Olm Proteus anguinus
• Purple frog Nasikabatrachus sahyadrensis
• Ringed caecilian Siphonops annulatus
• Rough-skinned newt Taricha granulosa
• Spotted salamander Ambystoma maculatum
• Strawberry poison dart frog Oophaga pumilio
• Wood frog Lithobates sylvaticus

Arachnid

• Arizona bark scorpion Centruroides sculpturatus
• Deathstalker Leiurus quinquestriatus
• Egyptian giant solpugid Galeodes arabs
• Emperor scorpion Pandinus imperator
• European garden spider Araneus diadematus
• Eurypterus Eurypterus remipes
• Goliath birdeater Theraphosa blondi
• Mexican redknee tarantula Brachypelma smithi
• Southern black widow Latrodectus mactans

Bird

• Acorn woodpecker Melanerpes formicivorus
• Adélie penguin Pygoscelis adeliae
• African fish eagle Icthyophaga vocifer
• African penguin Spheniscus demersus
• American flamingo Phoenicopterus ruber
• American kestrel Falco sparverius
• American robin Turdus migratorius
• American woodcock Scolopax minor
• Andean cock-of-the-rock Rupicola peruvianus
• Atlantic puffin Fratercula arctica
• Australian pelican Pelecanus conspicillatus
• Bald eagle Haliaeetus leucocephalus
• Barn swallow Hirundo rustica
• Bearded vulture Gypaetus barbatus
• Bee hummingbird Mellisuga helenae
• Black skimmer Rynchops niger
• Black swan Cygnus atratus
• Black-capped chickadee Poecile atricapillus
• Blue jay Cyanocitta cristata
• Blue-footed booby Sula nebouxii
• Boat-billed heron Cochlearius cochlearius
• Brown pelican Pelecanus occidentalis
• Budgerigar Melopsittacus undulatus
• Burrowing owl Athene cunicularia
• California condor Gymnogyps californianus
• Canada goose Branta canadensis
• Cockatiel Nymphicus hollandicus
• Common cuckoo Cuculus canorus
• Common kingfisher Alcedo atthis
• Common loon Gavia immer
• Common pheasant Phasianus colchicus
• Common raven Corvus corax
• Common swift Apus apus
• Confuciusornis Confuciusornis sanctus
• Egyptian vulture Neophron percnopterus
• Emperor penguin Aptenodytes forsteri
• Emu Dromaius novaehollandiae
• Eurasian eagle-owl Bubo bubo
• Eurasian hoopoe Upupa epops
• Eurasian magpie Pica pica
• European bee-eater Merops apiaster
• European goldfinch Carduelis carduelis
• European robin Erithacus rubecula
• Great blue heron Ardea herodias
• Great cormorant Phalacrocorax carbo
• Great horned owl Bubo virginianus
• Greater roadrunner Geococcyx californianus
• Grey parrot Psittacus erithacus
• House sparrow Passer domesticus
• Indian peafowl Pavo cristatus
• King penguin Aptenodytes patagonicus
• King vulture Sarcoramphus papa
• Mallard Anas platyrhynchos
• Mandarin duck Aix galericulata
• Mourning dove Zenaida macroura
• Mute swan Cygnus olor
• Northern cardinal Cardinalis cardinalis
• Osprey Pandion haliaetus
• Peregrine falcon Falco peregrinus
• Red-tailed hawk Buteo jamaicensis
• Rock dove Columba livia
• Ruby-throated hummingbird Archilochus colubris
• Scarlet macaw Ara macao
• Snowy owl Bubo scandiacus
• Sulphur-crested cockatoo Cacatua galerita
• Tawny frogmouth Podargus strigoides
• Toco toucan Ramphastos toco
• Turkey vulture Cathartes aura
• Western barn owl Tyto alba
• White stork Ciconia ciconia
• Wild turkey Meleagris gallopavo

Cnidarian

• Beadlet anemone Actinia equina
• Blue button Porpita porpita
• By-the-wind sailor Velella velella
• Crystal jelly Aequorea victoria
• Cylinder anemone Cerianthus membranaceus
• Flower hat jelly Olindias formosus
• Fried egg jellyfish Cotylorhiza tuberculata
• Green hydra Hydra viridissima
• Lion's mane jellyfish Cyanea capillata
• Magnificent sea anemone Radianthus magnifica
• Mauve stinger Pelagia noctiluca
• Moon jellyfish Aurelia aurita
• Organ pipe coral Tubipora musica
• Pacific sea nettle Chrysaora fuscescens
• Portuguese man o' war Physalia physalis
• Red coral Corallium rubrum
• Spotted jelly Mastigias papua
• Spotted kaleidoscope jellyfish Haliclystus octoradiatus
• Staghorn coral Acropora cervicornis
• Upside-down jellyfish Cassiopea xamachana

Crustacean

• American lobster Homarus americanus
• Antarctic krill Euphausia superba
• Blue crab Callinectes sapidus
• Caribbean hermit crab Coenobita clypeatus
• Caribbean spiny lobster Panulirus argus
• Chinese mitten crab Eriocheir sinensis
• Christmas Island red crab Gecarcoidea natalis
• Coconut crab Birgus latro
• Common pill-bug Armadillidium vulgare
• European green crab Carcinus maenas
• European tadpole shrimp Triops cancriformis
• Giant tiger prawn Penaeus monodon
• Halloween crab Gecarcinus quadratus
• Japanese spider crab Macrocheira kaempferi
• Marbled crayfish Procambarus virginalis
• Norway lobster Nephrops norvegicus
• Pacific cleaner shrimp Lysmata amboinensis
• Peacock mantis shrimp Odontodactylus scyllarus
• Red king crab Paralithodes camtschaticus
• Red swamp crayfish Procambarus clarkii
• Sally Lightfoot crab Grapsus grapsus

Echinoderm

• Blue linckia Linckia laevigata
• California sea cucumber Apostichopus californicus
• Crown-of-thorns starfish Acanthaster planci
• Cushion star Culcita novaeguineae
• Fire urchin Asthenosoma varium
• Giant basket star Astrophyton muricatum
• Long-spined sea urchin Diadema antillarum
• Ochre sea star Pisaster ochraceus
• Sea apple Pseudocolochirus violaceus
• Slate pencil urchin Heterocentrotus mamillatus
• Sunflower sea star Pycnopodia helianthoides

Fish

• Alligator gar Atractosteus spatula
• Arapaima Arapaima gigas
• Atlantic bluefin tuna Thunnus thynnus
• Atlantic cod Gadus morhua
• Atlantic goliath grouper Epinephelus itajara
• Atlantic mudskipper Periophthalmus barbarus
• Atlantic salmon Salmo salar
• Atlantic wolffish Anarhichas lupus
• Basking shark Cetorhinus maximus
• Big-belly seahorse Hippocampus abdominalis
• Blacktip reef shark Carcharhinus melanopterus
• Bluegill Lepomis macrochirus
• Bluespotted ribbontail ray Taeniura lymma
• Bluestreak cleaner wrasse Labroides dimidiatus
• Bothriolepis Bothriolepis ornata
• Bowmouth guitarfish Rhina ancylostomus
• Common carp Cyprinus carpio
• Dunkleosteus Dunkleosteus terrelli
• Edestus Edestus vorax
• Epaulette shark Hemiscyllium ocellatum
• European eel Anguilla anguilla
• European perch Perca fluviatilis
• Eusthenopteron Eusthenopteron foordi
• Freshwater angelfish Pterophyllum scalare
• Giant oceanic manta ray Mobula birostris
• Giant trevally Caranx ignobilis
• Goldfish Carassius auratus
• Great hammerhead Sphyrna mokarran
• Green humphead parrotfish Bolbometopon muricatum
• Green moray Gymnothorax funebris
• Guppy Poecilia reticulata
• Humphead wrasse Crassilabrus undulatus
• Leafy seadragon Phycodurus eques
• Mahi-mahi Coryphaena hippurus
• Northern pike Esox lucius
• Nurse shark Ginglymostoma cirratum
• Ocean sunfish Mola mola
• Ocellaris clownfish Amphiprion ocellaris
• Oscar Astronotus ocellatus
• Pacific spiny lumpsucker Eumicrotremus orbis
• Plate fish Bothus lunatus
• Rainbow trout Oncorhynchus mykiss
• Red lionfish Pterois volitans
• Regal tang Paracanthurus hepatus
• Shortfin mako shark Isurus oxyrinchus
• Siamese fighting fish Betta splendens
• Southern stingray Hypanus americanus
• Spotted eagle ray Aetobatus narinari
• Stethacanthus Stethacanthus altonensis
• Tasselled wobbegong Eucrossorhinus dasypogon
• Tiger shark Galeocerdo cuvier
• Tiktaalik Tiktaalik roseae
• West Indian Ocean coelacanth Latimeria chalumnae

Insect

• African death's-head hawkmoth Acherontia atropos
• American cockroach Periplaneta americana
• Brown marmorated stink bug Halyomorpha halys
• Bullet ant Paraponera clavata
• Colorado potato beetle Leptinotarsa decemlineata
• Common cockchafer Melolontha melolontha
• Common eastern firefly Photinus pyralis
• Common fruit fly Drosophila melanogaster
• Common wasp Vespula vulgaris
• Desert locust Schistocerca gregaria
• Domestic silk moth Bombyx mori
• European earwig Forficula auricularia
• European mantis Mantis religiosa
• European stag beetle Lucanus cervus
• German cockroach Blattella germanica
• Hercules beetle Dynastes hercules
• House cricket Acheta domesticus
• Housefly Musca domestica
• Monarch butterfly Danaus plexippus
• Painted lady Vanessa cardui
• Pea aphid Acyrthosiphon pisum
• Pharaoh cicada Magicicada septendecim
• Red imported fire ant Solenopsis invicta
• Seven-spot ladybird Coccinella septempunctata
• Silverfish Lepisma saccharinum
• Violin beetle Mormolyce phyllodes
• Wheel bug Arilus cristatus
• Wētāpunga Deinacrida heteracantha

Mammal

• Aardvark Orycteropus afer
• African bush elephant Loxodonta africana
• American bison Bison bison
• American black bear Ursus americanus
• American mastodon Mammut americanum
• Arctic fox Vulpes lagopus
• Asian elephant Elephas maximus
• Beluga whale Delphinapterus leucas
• Blue wildebeest Connochaetes taurinus
• Bobcat Lynx rufus
• Bongo Tragelaphus eurycerus
• Bornean orangutan Pongo pygmaeus
• Brown bear Ursus arctos
• Brown hyena Parahyaena brunnea
• Capybara Hydrochoerus hydrochaeris
• Castoroides Castoroides ohioensis
• Cat Felis catus
• Cheetah Acinonyx jubatus
• Chimpanzee Pan troglodytes
• Common bottlenose dolphin Tursiops truncatus
• Cotton-top tamarin Saguinus oedipus
• Cougar Puma concolor
• Coyote Canis latrans
• Crested porcupine Hystrix cristata
• Daeodon Daeodon shoshonensis
• Dire wolf Aenocyon dirus
• Dog Canis familiaris
• Dromedary Camelus dromedarius
• Eastern chipmunk Tamias striatus
• Eastern cottontail Sylvilagus floridanus
• European hedgehog Erinaceus europaeus
• European rabbit Oryctolagus cuniculus
• Ferret Mustela furo
• Fin whale Balaenoptera physalus
• Gambian pouched rat Cricetomys gambianus
• Giant anteater Myrmecophaga tridactyla
• Giant panda Ailuropoda melanoleuca
• Greater bulldog bat Noctilio leporinus
• Greater horseshoe bat Rhinolophus ferrumequinum
• Grey seal Halichoerus grypus
• Mandrill Mandrillus sphinx
• Marine otter Lontra felina
• Morganucodon Morganucodon watsoni
• North Atlantic right whale Eubalaena glacialis
• Northern treeshrew Tupaia belangeri
• Pakicetus Pakicetus inachus
• Platybelodon Platybelodon danovi
• Repenomamus Repenomamus robustus
• Risso's dolphin Grampus griseus
• Short-beaked echidna Tachyglossus aculeatus
• South American coati Nasua nasua
• Spinner dolphin Stenella longirostris
• Steller sea lion Eumetopias jubatus
• Striped hyena Hyaena hyaena
• White-tailed deer Odocoileus virginianus
• Woolly mammoth Mammuthus primigenius

Mollusc

• Baculites Baculites vertebralis
• Blue mussel Mytilus edulis
• California sea hare Aplysia californica
• Chambered nautilus Nautilus pompilius
• Coconut octopus Amphioctopus marginatus
• Common cuttlefish Sepia officinalis
• Common limpet Patella vulgata
• Common octopus Octopus vulgaris
• Disco clam Ctenoides ales
• Flamboyant cuttlefish Ascarosepion pfefferi
• Garden snail Cornu aspersum
• Geography cone Conus geographus
• Giant African land snail Lissachatina fulica
• Giant clam Tridacna gigas
• Great scallop Pecten maximus
• Greater blue-ringed octopus Hapalochlaena lunulata
• Leopard slug Limax maximus
• Mimic octopus Thaumoctopus mimicus
• Pacific banana slug Ariolimax columbianus
• Pacific geoduck Panopea generosa
• Red abalone Haliotis rufescens
• Sea angel Clione limacina

Myriapod

• Amazonian giant centipede Scolopendra gigantea
• Yellow-spotted millipede Harpaphe haydeniana

Other

• Bluebell tunicate Clavelina moluccensis
• Bobbit worm Eunice aphroditois
• Common earthworm Lumbricus terrestris
• Dicranurus Dicranurus hamatus
• Feather duster worm Sabellastarte spectabilis
• Giant barrel sponge Xestospongia muta
• Giant tube worm Riftia pachyptila
• Gold-mouth sea squirt Polycarpa aurata
• Golf ball sponge Tethya aurantium
• Green barrel sea squirt Didemnum molle
• Isotelus Isotelus gigas
• Light-bulb sea squirt Clavelina lepadiformis
• Olenoides Olenoides nevadensis
• Paradoxides Paradoxides paradoxissimus
• Shovel-headed garden worm Bipalium kewense

Plant

• African baobab Adansonia digitata
• Common rhododendron Rhododendron ponticum

Reptile

• African spurred tortoise Centrochelys sulcata
• Alligator snapping turtle Macrochelys temminckii
• American alligator Alligator mississippiensis
• Ankylosaurus Ankylosaurus magniventris
• Archelon Archelon ischyros
• Argentine black and white tegu Salvator merianae
• Armadillo girdled lizard Ouroborus cataphractus
• Asian water monitor Varanus salvator
• Barosaurus Barosaurus lentus
• Black mamba Dendroaspis polylepis
• Boa constrictor Boa constrictor
• Carnotaurus Carnotaurus sastrei
• Central bearded dragon Pogona vitticeps
• Chinese softshell turtle Pelodiscus sinensis
• Common flying dragon Draco volans
• Common garter snake Thamnophis sirtalis
• Common slow worm Anguis fragilis
• Common snapping turtle Chelydra serpentina
• Concavenator Concavenator corcovatus
• Crested gecko Correlophus ciliatus
• Cuvier's dwarf caiman Paleosuchus palpebrosus
• Cymbospondylus Cymbospondylus piscosus
• Cynognathus Cynognathus crateronotus
• Dacentrurus Dacentrurus armatus
• Deinonychus Deinonychus antirrhopus
• Desmatosuchus Desmatosuchus spurensis
• Dimorphodon Dimorphodon macronyx
• Dsungaripterus Dsungaripterus weii
• Edaphosaurus Edaphosaurus pogonias
• Elasmosaurus Elasmosaurus platyurus
• Emerald tree boa Corallus caninus
• Eudimorphodon Eudimorphodon ranzii
• Eyelash viper Bothriechis schlegelii
• Gaboon viper Bitis gabonica
• Gallimimus Gallimimus bullatus
• Galápagos tortoise Chelonoidis niger
• Gharial Gavialis gangeticus
• Giganotosaurus Giganotosaurus carolinii
• Gila monster Heloderma suspectum
• Green anaconda Eunectes murinus
• Green anole Anolis carolinensis
• Green iguana Iguana iguana
• Green sea turtle Chelonia mydas
• Hawksbill sea turtle Eretmochelys imbricata
• Indian cobra Naja naja
• Inland taipan Oxyuranus microlepidotus
• Inostrancevia Inostrancevia alexandri
• Kaprosuchus Kaprosuchus saharicus
• King cobra Ophiophagus hannah
• Komodo dragon Varanus komodoensis
• Kosmoceratops Kosmoceratops richardsoni
• Liopleurodon Liopleurodon ferox
• Loggerhead sea turtle Caretta caretta
• Lufengosaurus Lufengosaurus huenei
• Lystrosaurus Lystrosaurus murrayi
• Megaraptor Megaraptor namunhuaiquii
• Mesosaurus Mesosaurus tenuidens
• Moschops Moschops capensis
• Olive ridley sea turtle Lepidochelys olivacea
• Olive sea snake Aipysurus laevis
• Ophthalmosaurus Ophthalmosaurus icenicus
• Paradise tree snake Chrysopelea paradisi
• Patagotitan Patagotitan mayorum
• Pinacosaurus Pinacosaurus grangeri
• Placerias Placerias hesternus
• Plateosaurus Plateosaurus trossingensis
• Plesiosaurus Plesiosaurus dolichodeirus
• Plumed basilisk Basiliscus plumifrons
• Quetzalcoatlus Quetzalcoatlus northropi
• Reticulated python Malayopython reticulatus
• Rhabdodon Rhabdodon priscus
• Rhamphorhynchus Rhamphorhynchus muensteri
• Saltwater crocodile Crocodylus porosus
• Sarcosuchus Sarcosuchus imperator
• Satanic leaf-tailed gecko Uroplatus phantasticus
• Shantungosaurus Shantungosaurus giganteus
• Shingleback lizard Tiliqua rugosa
• Sidewinder Crotalus cerastes
• Spectacled caiman Caiman crocodilus
• Temnodontosaurus Temnodontosaurus platyodon
• Tentacled snake Erpeton tentaculatum
• Texas horned lizard Phrynosoma cornutum
• Thorny devil Moloch horridus
• Torvosaurus Torvosaurus tanneri
• Tuatara Sphenodon punctatus
• Western diamondback rattlesnake Crotalus atrox
• Yellow-lipped sea krait Laticauda colubrina