Science Quiz / Taxonomoo

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Can you name all the orders of vertebrates?

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Class[es] (and Subclass)OrderNotes of Joy
HyperoartiaAbout 45 species, the most basal living vertebrates
Chondrichthyes (Holocephali)More than fifty species of mostly deep-water animals. Possibly belong in a separate class
Chondrichthyes (Elasmobranchii)Nine species in a single genus, with peculiar, screw-shapes eggs.
Chondrichthyes (Elasmobranchii)About forty-three species, including the largest member of the class.
Chondrichthyes (Elasmobranchii)Seventeen species, some of them with undeservedly fierce reputations
Chondrichthyes (Elasmobranchii)The largest order in the subclass, with more than 270 species, primarily tropical
Chondrichthyes (Elasmobranchii)Only six species, including two truly bizarre species
Chondrichthyes (Elasmobranchii)Over 100 species, including several familiar but rapidly declining species
Chondrichthyes (Elasmobranchii)One cosmopolitan genus of twenty-three temperate and tropical species,
Chondrichthyes (Elasmobranchii)Seven or so species with distinctive, elongate snouts
Chondrichthyes (Elasmobranchii)Sixty-odd species of slow-moving but well-defended ambush predators.
Chondrichthyes (Elasmobranchii)Eight distinctive species, all in danger of extinction.
Chondrichthyes (Elasmobranchii)A disputed taxon, with a disputed number of species - some familiar, some bizarre
Chondrichthyes (Elasmobranchii)Extremely familiar, here seperated from a closely allied taxon
Actinopterygii (Chondrostei)12 taxonomically distinctive species of bizarre bony fish dating back to the cretaceous
Actinopterygii (Chondrostei)A handful of large, primarily freshwater fish threatened due to over-harvesting of gravid females for their eggs.
Actinopterygii (Neopterygii)Seven new-world species of unusual (mostly) freshwater fish.
Actinopterygii (Neopterygii)A single North American species extant, with numerous long-dead relatives.
Actinopterygii (Neopterygii)Around 216, mostly southern hemisphere species, many of which have brain to body ratios comparable to that of apes and humans
Actinopterygii (Neopterygii)Only two living species, both limited to North America. Sometimes combined with a larger, closely allied order.
Actinopterygii (Neopterygii)Eight or nine living species with a life-cycle that drifts between salt and freshwater.
Actinopterygii (Neopterygii)Twelve or so bottom-feeding species, mostly found in estuaries.
Actinopterygii (Neopterygii)Around 28 species of elongate, deep-water fish.
Actinopterygii (Neopterygii)800 or so species of familiar but largely nocturnal fish, all in some way dependant on marine environments.
Actinopterygii (Neopterygii)28 known species of bizarre, deepwater fishes, distributed across all the oceans.
Actinopterygii (Neopterygii)37 marine and freshwater species, including at least one commercially important food-fish.
Actinopterygii (Neopterygii)more than 3,200 freshwater species, including many familiar aquarium and sport-fishing species.
Actinopterygii (Neopterygii)Over 1600 species, many of them familiar from aquariums and, in some cases, horror films.
Actinopterygii (Neopterygii)Around 150 freshwater, Neotropical fish, some of which are popular in aquaria.
Actinopterygii (Neopterygii)Over 3,000 species of freshwater and occasionally marine species, distributed around the world, including many familiar aquarium, angling and food fish.
Actinopterygii (Neopterygii)200 or so species of marine, often deep-water and usually toothless fish
Actinopterygii (Neopterygii)Over 200 predatory fishes, many of which are widely introduced as sportfish, often with devastating effects on local fauna.
Actinopterygii (Neopterygii)10 freshwater ambush predators, in two families
Actinopterygii (Neopterygii)About 90 species spread between marine and freshwater, distributed globally in temperate regions.
Actinopterygii (Neopterygii)Twelve or so species of eel-like, so-called bony fish with cartilagenous skeletons.
Actinopterygii (Neopterygii)Around 400 deep-water, usually bioluminescent, species.
Actinopterygii (Neopterygii)230 or so species of marine fishes with a lengthy fossil record.
Actinopterygii (Neopterygii)Around 250 species in two families of small deepwater fish, found worldwide, and in terms of biomass, accounting for almost two thirds of life in the deep sea.
Actinopterygii (Neopterygii)20 species of bizarre fishes, some large species associated with myths of sea monsters.
Actinopterygii (Neopterygii)Ten long-whiskered species in one bottom-dwelling genus found in tropical oceans worldwide.
Actinopterygii (Neopterygii)Nine freshwater fishes limited to North America.
Actinopterygii (Neopterygii)Around 80 marine ambush predators, perhaps most notable for the male's singing to attract females; found from the deep sea to tidal flats.
Actinopterygii (Neopterygii)Around 350 species, many showing fleshy, limb-like appendages, but best known for their unusual hunting methods.
Actinopterygii (Neopterygii)Around 610 species, a number of them threatened by long-term overfishing, including many of the most popular food fishes in Europe.
Actinopterygii (Neopterygii)Around 500 species, found at both poles, in deeps seas and in reefs and, in a few cases, in freshwater.
Actinopterygii (Neopterygii)Around 80 species of marine detritivores, most frequently encountered visiting shallow bays and river-mouths, or on the table.
Actinopterygii (Neopterygii)Over 300 species of fish found in freshwater, marine and brackish enviroments, including several island endemics and popular aquarium fishes.
Actinopterygii (Neopterygii)Around 260 species of fish, including several commercially important species, and one group known to have caused several accidental deaths.
Actinopterygii (Neopterygii)33 or so species of generally small, deep-water fish with highly elastic stomachs.
Actinopterygii (Neopterygii)Around 1263 species of freshwater to brackish-water fish, some with adaptations to survive in the most ephemeral of water bodies; also includes a number of popular aquarium fishes.
Actinopterygii (Neopterygii)40 or so species of unusual, deep-water fish that are rarely encountered in life or on the table.
Actinopterygii (Neopterygii)Around 150, mostly deep-water, marine fish.
Actinopterygii (Neopterygii)About 40 predominantly deep-water fishes, some of which are of commercial importance.
Actinopterygii (Neopterygii)Around 160 species of small, marine fishes with a peculiar adaptation to keep them from getting swept away.
Actinopterygii (Neopterygii)Around 22 species, some of which are widespread and familiar.
Actinopterygii (Neopterygii)Around 340 species of distinctive, often bizarre, marine fish, associated primarily with inshore environments such as reefs and seagrass beds.
Actinopterygii (Neopterygii)A hundred or so occasionally amphibious, mostly freshwater fishes from tropical areas worldwide.
Actinopterygii (Neopterygii)Around 360 slow moving, generally reef-dwelling species.
Actinopterygii (Neopterygii)Over 400 species of unusually asymmetrical fishes, the importance of which in western diets leads to some of the most environmentally damaging fishing in the world.
Actinopterygii (Neopterygii)Over 1300 hundred species, and one of the largest orders of ray-finned fish
Actinopterygii (Neopterygii)More than 10,000 species found worldwide, and the most diverse of all vertebrate orders.
[Sarcopterygii] Amphibia (Lissamphibia)4800 species distributed on all continents except Antarctica, including some species showing a secondary evolution of an 'amniotic' egg.
[Sarcopterygii] Amphibia (Lissamphibia)Around 550 species in the Palearctic and the Americas, including the largest amphibians.
[Sarcopterygii] Amphibia (Lissamphibia)Around 200 unusual, mostly subterranean, worm-like species, found in the tropics of Africa, Asia and the Americas.
[Sarcopterygii] Reptilia (Diapsida)Two species endemic to New Zealand and the surrounding islands
[Sarcopterygii] Reptilia (Diapsida)With 9,000 species, the largest terrestrial order of all; larger than all mammal orders combined, possibly in need of re-designation.
[Sarcopterygii; Reptilia (Diapsida)] Aves150 species, most associated with water, including important domestic species.
[Sarcopterygii; Reptilia (Diapsida)] AvesNearly 300 species of often over-hunted birds, absent from Antarctica and most oceanic islands, one domestic species being the most common bird in the world.
[Sarcopterygii; Reptilia (Diapsida)] AvesSixteen grassland and desert birds from Africa and Asia, often grouped with a larger, more familiar order.
[Sarcopterygii; Reptilia (Diapsida)] Aves3 rail-like species endemic to Madagascar
[Sarcopterygii; Reptilia (Diapsida)] Aves310 species including a disproportionate number of endangered island endemics
[Sarcopterygii; Reptilia (Diapsida)] AvesThree species of enigmatic seabirds, distributed across tropical oceans.
[Sarcopterygii; Reptilia (Diapsida)] AvesSix distinctive species closely allied with another, more widely distributed order.
[Sarcopterygii; Reptilia (Diapsida)] Aves22 species of medium-sized waterbirds, some of which are famously incapable of supporting their own weight on dry land.
[Sarcopterygii; Reptilia (Diapsida)] AvesTwo species from the Americas and New Caledonia, often troubling in their placement.
[Sarcopterygii; Reptilia (Diapsida)] AvesAbout 118 species of nocturnal, often migratory birds, distributed worldwide except Antarctica.
[Sarcopterygii; Reptilia (Diapsida)] AvesAround 450 species, including the smallest birds on the planet.
[Sarcopterygii; Reptilia (Diapsida)] Aves350 diverse species found around the world, mostly in association with bodies of water.
[Sarcopterygii; Reptilia (Diapsida)] AvesOver 5,000 species, and the most diverse bird order.
[Sarcopterygii; Reptilia (Diapsida)] Aves370+ species of colourful and often over-exploited birds, distributed on all continents except Europe and Antarctica.
[Sarcopterygii; Reptilia (Diapsida)] AvesOver sixty species in one family, in the order that originally included a much larger order of birds of prey.
[Sarcopterygii; Reptilia (Diapsida)] AvesTwo south american species, and the closest living relatives of the extinct terror birds of the Americas.
[Sarcopterygii; Reptilia (Diapsida)] Aves66 species mostly limited to the old world tropics, although one is found as far North as Britain.
[Sarcopterygii; Reptilia (Diapsida)] AvesOver 400 cavity-nesting species distributed worldwide except for Australia.
[Sarcopterygii; Reptilia (Diapsida)] AvesAround 150 species of generally small, distinctive birds often associated with water, the vast majority occuring in Africa, Asia and Australasia
[Sarcopterygii; Reptilia (Diapsida)] Aves39 colourful species distributed through the tropics of Asia, Africa and the Americas.
[Sarcopterygii; Reptilia (Diapsida)] AvesDespite its name, the one species that makes up this entire order is neither a brood parasite nor a close relative of kingfishers.
[Sarcopterygii; Reptilia (Diapsida)] AvesAround 200 species of night-flying predators, distributed on all continents except antarctica.
[Sarcopterygii; Reptilia (Diapsida)] AvesSix species, and one of two avian orders found only on the African mainland.
[Sarcopterygii; Reptilia (Diapsida)] AvesOver 250 predatory birds distributed globally - except Antarctica - and noted as containing some of the heaviest flying birds.
[Sarcopterygii; Reptilia (Diapsida)] AvesA single bizarre, South American species, previously lumped into orders from which it is genetically distinct.
[Sarcopterygii; Reptilia (Diapsida)] Aves177 semi-aquatic species, sometimes split into two sisters orders or combined with a smaller, related order of wading birds.
[Sarcopterygii; Reptilia (Diapsida)] Aves19 long-legged waders distributed on all continents except Antarctica
[Sarcopterygii; Reptilia (Diapsida)] AvesUp to 20 familiar, southern-hemisphere birds, typically associated with Antarctic and sub-antarctic coasts.
[Sarcopterygii; Reptilia (Diapsida)] Aves125 species of far-ranging seabirds, including the largest wingspans of any living bird.
[Sarcopterygii; Reptilia (Diapsida)] AvesFive living species of Holarctic diving birds.
[Sarcopterygii; Reptilia (Diapsida)] Aves23 or so arboreal African birds, with the only true green pigment known in birds.
[Sarcopterygii; Reptilia (Diapsida)] Aves180 or so species; many small orders were once placed within this group, but have since been recognised as unrelated.
[Sarcopterygii; Reptilia (Diapsida)] AvesOver 140 species, around 60 of which are known for being truly awful parents..
[Sarcopterygii; Reptilia (Diapsida)] Aves26 species of medium to very large Old-World birds, extremely vulnerable to hunting.
[Sarcopterygii; Reptilia (Diapsida)] AvesFive modern species, endemic to New Zealand
[Sarcopterygii; Reptilia (Diapsida)] AvesFour species of distinctive, Oceanian birds, adapted to forest and grassland habitats.
[Sarcopterygii; Reptilia (Diapsida)] Aves47 species of American birds closely related to the extinct Moas of New Zealand.
[Sarcopterygii; Reptilia (Diapsida)] AvesTwo species of large, flightless birds endemic to South America.
[Sarcopterygii; Reptilia (Diapsida)] AvesOne living species, which may best be split into two, representing the largest living bird.
Sarcopterygii; Reptilia (Diapsida)22 large to very large amphibious predators, many of which suffer ongoing persecution for meat and skin.
[Sarcopterygii] ReptiliaBeing rather divergent, their precise relationships can be difficult to untangle. Around 300 species.
[Sarcopterygii] Mammalia (Prototheria)Around five distinctive, Oceanian mammals.
[Sarcopterygii] Mammalia (Theriiformes)Over 430 species, including some of the only venomous mammals.
[Sarcopterygii] Mammalia (Theriiformes)Descended from within a larger order with which it was formerly included in the Insectivora, 43 species from across Africa, Asia and Europe.
[Sarcopterygii] Mammalia (Theriiformes)88-90 species, depending which of these mostly marine mammals are included.
[Sarcopterygii] Mammalia (Theriiformes)Without the inclusion of 88 aquatic species here - and traditionally - placed in their own order, these 220 species are actually grouped into a wastebin taxon of at least four distinct orders.
[Sarcopterygii] Mammalia (Theriiformes)The second most diverse group of mammals, with over 1200 species.
[Sarcopterygii] Mammalia (Theriiformes) Sixteen species remain, including some of the largest living mammals - and some of the most endangered.
[Sarcopterygii] Mammalia (Theriiformes)280 species which are grossly overrepresented in Zoos
[Sarcopterygii] Mammalia (Theriiformes)Eight species across the old-world tropics, all in decline due to the trade in their scales and meat
[Sarcopterygii] Mammalia (Theriiformes)20 Southeast Asian species with bigger brains, relative to body size, than humans.
[Sarcopterygii] Mammalia (Theriiformes)Around 420 species, although this may be due to creative use of the species distinction...
[Sarcopterygii] Mammalia (Theriiformes)Two Southeast Asian species and the most accomplished gliders in the entire class.
[Sarcopterygii] Mammalia (Theriiformes)Around 80 species of long-toothed herbivores dependant on coprophagy for adequate nutrition.
[Sarcopterygii] Mammalia (Theriiformes)Over 2,200 species, and two-fifths of all mammals, showing great diversity of form and habit.
[Sarcopterygii] Mammalia (Theriiformes)Four living species, and one of only two fully aquatic orders of mammals.
[Sarcopterygii] Mammalia (Theriiformes)Three currently living species, including the largest living land mammals, and considerable funding dedicated to thus far unsuccessful attempts to resurrect an extinct species.
[Sarcopterygii] Mammalia (Theriiformes)Four extant species, but once the dominant herbivores of Africa, likely to be very similar to the ancestors of the previous two orders.
[Sarcopterygii] Mammalia (Theriiformes)A single living species, with one of the slowest-changing mammalian genomes.
[Sarcopterygii] Mammalia (Theriiformes)Seventeen species, previously shifted between various orders before their current placement.
[Sarcopterygii] Mammalia (Theriiformes)55 African species, diverse in habit and form, many of which are confined to Madagascar.
[Sarcopterygii] Mammalia (Theriiformes)Ten extant species limited to South and Central America
[Sarcopterygii] Mammalia (Theriiformes)20 or so species of armoured American Mammals.
[Sarcopterygii] Mammalia (Theriiformes)120 or so species of Australasian herbivores - and several extinct carnivores.
[Sarcopterygii] Mammalia (Theriiformes)Two small and inconspicuous species confined to Western Australia
[Sarcopterygii] Mammalia (Theriiformes)21 extant species, and several recently extinct species, all confined to Australasia
[Sarcopterygii] Mammalia (Theriiformes)Seventy-three Australasian species, and several extinct (but hotly debated) species.
[Sarcopterygii] Mammalia (Theriiformes)1 species, in a sub-class found otherwise entirely on a separate continent.
[Sarcopterygii] Mammalia (Theriiformes)6 or so species confined to South America.
[Sarcopterygii] Mammalia (Theriiformes)93 species including the only marsupial in North America
Sarcopterygii (Dipnoi)One species, endemic to australia, threatened by dams and introduced fish stocks.
Sarcopterygii (Dipnoi)Five species across Africa and South America, incapable of surviving without air.
Sarcopterygii (Actinistia)A famous 'Lazarus' taxon, with only two species - one vulnerable, and the other critically endangered.

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