As of September 2016, the
International Union for Conservation of Nature
The International Union for Conservation of Nature (IUCN; officially International Union for Conservation of Nature and Natural Resources) is an international organization working in the field of nature conservation and sustainable use of natu ...
(IUCN) lists 81
extinct
Extinction is the termination of a kind of organism or of a group of kinds (taxon), usually a species. The moment of extinction is generally considered to be the death of the last individual of the species, although the capacity to breed and ...
species
In biology, a species is the basic unit of classification and a taxonomic rank of an organism, as well as a unit of biodiversity. A species is often defined as the largest group of organisms in which any two individuals of the appropriate s ...
, 86 possibly extinct species, and two
extinct in the wild
A species that is extinct in the wild (EW) is one that has been categorized by the International Union for Conservation of Nature as known only by living members kept in captivity or as a naturalized population outside its historic range due ...
species of
arthropod
Arthropods (, (gen. ποδός)) are invertebrate animals with an exoskeleton, a Segmentation (biology), segmented body, and paired jointed appendages. Arthropods form the phylum Arthropoda. They are distinguished by their jointed limbs and Arth ...
.
Centipedes
Centipedes (from New Latin , "hundred", and Latin , "foot") are predatory arthropods belonging to the class Chilopoda (Ancient Greek , ''kheilos'', lip, and New Latin suffix , "foot", describing the forcipules) of the subphylum Myriapoda, an a ...
Possibly extinct species
*''
Mecistocephalus cyclops''
*''
Mecistocephalus sechellarum''
Seed shrimps
Extinct species
*''
Liocypris grandis'' (listed as extinct however was rediscovered in 2003)
*''
Namibcypris costata''
Arachnids
Arachnida () is a Class (biology), class of joint-legged invertebrate animals (arthropods), in the subphylum Chelicerata. Arachnida includes, among others, spiders, scorpions, ticks, mites, pseudoscorpions, opiliones, harvestmen, Solifugae, came ...
Extinct species
Possibly extinct species
Millipedes
Millipedes are a group of arthropods that are characterised by having two pairs of jointed legs on most body segments; they are known scientifically as the class Diplopoda, the name derived from this feature. Each double-legged segment is a resu ...
Extinct species
Possibly extinct species
Entognatha
The Entognatha are a class (biology), class of wingless and Ametabolism, ametabolous arthropods, which, together with the insects, makes up the subphylum Hexapoda. Their Arthropod mouthparts, mouthparts are entognathous, meaning that they are r ...
Possibly extinct species
*
''Ceratophysella'' sp. 'HC'
*''
Delamarephorura tami''
Maxillopoda
Crustaceans (Crustacea, ) form a large, diverse arthropod taxon which includes such animals as decapods, seed shrimp, branchiopods, fish lice, krill, remipedes, isopods, barnacles, copepods, amphipods and mantis shrimp. The crustacean group can ...
Extinct species
*''
Afrocyclops pauliani
'' Afrocyclops pauliani'' is an extinct species of copepod in the family Cyclopidae. A single specimen was discovered in 1951 in a small freshwater pool near Antananarivo, Madagascar
Madagascar (; mg, Madagasikara, ), officially the Re ...
''
*''
Tropodiaptomus ctenopus''
Malacostracans
Extinct species
Possibly extinct species
Extinct in the wild species
*
Socorro isopod
''Thermosphaeroma thermophilum'' is a crustacean in the family Sphaeromatidae. It is commonly known as the Socorro isopod or Socorro sowbug. It was endemic to the thermal water oSedillo Spring This was located in Socorro County in the state of ...
''(Thermosphaeroma thermophilum)''
Insects
Insects (from Latin ') are pancrustacean hexapod invertebrates of the class Insecta. They are the largest group within the arthropod phylum. Insects have a chitinous exoskeleton, a three-part body (head, thorax and abdomen), three pairs of j ...
Extinct species
Possibly extinct species
Extinct in the wild species
*
Oahu deceptor bush cricket ''(Leptogryllus deceptor)''
See also
*
List of least concern arthropods
In July 2016, the International Union for Conservation of Nature (IUCN) listed 4069 Least-concern species, least concern Arthropoda, arthropod species. Of all evaluated arthropod species, 43% are listed as least concern.
The IUCN also lists 27 a ...
*
List of near threatened arthropods
As of July 2016, the International Union for Conservation of Nature (IUCN) lists 390 near threatened arthropod species. 4.1% of all evaluated arthropod species are listed as near threatened.
The IUCN also lists six arthropod subspecies as near ...
*
List of vulnerable arthropods
As of July 2016, the International Union for Conservation of Nature (IUCN) lists 1080 vulnerable arthropod species. 11% of all evaluated arthropod species are listed as vulnerable.
The IUCN also lists 29 arthropod subspecies as vulnerable.
N ...
*
List of endangered arthropods
As of July 2016, the International Union for Conservation of Nature (IUCN) lists 616 endangered arthropod species. 6.5% of all evaluated arthropod species are listed as endangered.
The IUCN also lists 27 arthropod subspecies as endangered.
No ...
*
List of critically endangered arthropods
*
List of data deficient arthropods
As of July 2016, the International Union for Conservation of Nature (IUCN) lists 2875 data deficient arthropod species. 30% of all evaluated arthropod species are listed as data deficient.
The IUCN also lists 17 arthropod subspecies as data def ...
References
*Arthropods
Recently extinct arthropods
Recently extinct arthropods
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