animal kingdom

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animal kingdom

A main classification of living organisms that includes all animals.

animal kingdom

a category of living organisms comprising all animals. The classification of animals into major groups is now generally agreed by most biologists, unlike the situation in the PLANT KINGDOM where there are several alternative systems of classification. The system below places the Protozoa in the animal kingdom, as in the older classical approaches to the classification, but in more modern approaches only the Parazoa and Metazoa are considered to be animals and the Protozoa are placed in several groupings of kingdom-equivalent status. See CLASSIFICATION.

Protozoa - single-celled animals

Parazoa - sessile, aquatic, porous animals

Porifera - sponges

Metazoa -

Coelenterata - two-layered, sac-like animals possessing a MESOGLOEA and stinging cells

Hydrozoa - hydra, colonial hydroids, siphonophores

Scyphozoa - jellyfish

Anthozoa - corals Phylum

- flattened, wormlike animals

Turbellaria - flatworms

Trematoda - flukes

Cestoda - tapeworms

Nematoda - roundworms

Nemertea - bootlace worms

Annelida - segmented worms

Polychaeta - paddle worms

Oligochaeta - earthworms

Hirudinea - leeches

Mollusca - soft-bodied animals often possessing a shell

Gasteropoda - snails

Lamellibranchiata - bivalves

Cephalopoda - squids and octopus

Arthropoda - jointed-limbed animals with an exoskeleton

Crustacea - water fleas, barnacles, crabs, etc.

Myriapoda - centipedes, millipedes

Arachnida - mites, ticks, scorpions, spiders

Insecta - insects

Echinodermata - spiny animals with a penta-radiate symmetry

Asteroidea - starfish

Ophiuroidea - brittle stars

Echinoidea - sea urchins

Holothuroidea - sea cucumbers

Crinoidia - feather stars and sea lilies

Chordata - animals possessing a notochord at some stage during their development

Protochordata - sea squirts, Amphioxus


Agnatha - jawless fishes, e.g. lamprey

Chondrichythyes - sharks

Choanichthyes - coelacanth, etc.

Actinopterygii - bony fish

Amphibia - salamanders, frogs, toads

Reptilia - reptiles

Aves - birds

Class Mammalia - mammals

References in periodicals archive ?
Locals helped refurbish Borth Wild Animal Kingdom after the two lynx died
As the gates burst open for the start of the 18th running of the race, Royal Delta hit the front under Hall of Fame rider Mike Smith, with Animal Kingdom tracking the front-runner in the early stages of the 2,000-metre contest on Tapeta (all-weather track).
The project will be the largest expansion in Disney's Animal Kingdom history, said Thomas Smith, social media director at Disney Parks, on the Disney Parks blog.
Animal Kingdom pulled furiously in the early stages and emptied out alarmingly as he beat only a couple of stragglers home, while O'Brien's son Joseph had given a beautiful demonstration of patience to produce Declaration Of War (15-2) to lead shortly before the line, rocketing clear of Aljamaaheer.
They estimate it would have cost them PS500,000 had Animal Kingdom triggered the offer.
Frankel was a long odds-on favourite for the Queen Anne Stakes last term and he justified that faith with an electrifying win and connections of Animal Kingdom will be hoping he can follow suit.
All Too Hard, a three-time Group winner in Australia, is entered in the Diamond Jubilee Stakes won by his halfsister Black Caviar last year and is also a possible in the Queen Anne Stakes against Animal Kingdom.
Trained in America by Graham Motion, and owned by Team Valor and Arrowfield Stud, Animal Kingdom will stand in the Northern Hemisphere at Darley's Jonabell Farm in Lexington, Kentucky.
Animal Kingdom is still set to stand in the Southern Hemisphere at John Messara's Arrowfield Stud in Australia.
Victory for Animal Kingdom was just reward for connections of a horse that was due to contest last year's World Cup until he got injured in the build-up.
For example, the famous concept of six degrees of separation - the idea that everyone is linked by common acquaintances to any other person on Earth - holds true across the animal kingdom.
How Kwaku Ananse, Master Hairstylist, Saved the Animal Kingdom