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As of July 2016, the International Union for Conservation of Nature (IUCN) lists 1105 near threatened invertebrate species.[1] 6.1% of all evaluated invertebrate species are listed as near threatened. The IUCN also lists 15 invertebrate subspecies as near threatened.

16 extinct in the wild invertebrate species (0.09%)987 critically endangered invertebrate species (5.6%)1163 endangered invertebrate species (6.6%)2178 vulnerable invertebrate species (12%)1105 near threatened invertebrate species (6.3%)6919 least concern invertebrate species (39%)5278 data deficient invertebrate species (30%)
Invertebrate species (IUCN, 2020.1)
  • 17,646 extant species have been evaluated
  • 12,368 of those are fully assessed[lower-alpha 1]
  • 8024 are not threatened at present[lower-alpha 2]
  • 4328 to 9606 are threatened[lower-alpha 3]
  • 410 to 616 are extinct or extinct in the wild:
    • 395 extinct (EX) species[lower-alpha 4]
    • 15 extinct in the wild (EW)
    • 206 possibly extinct [CR(PE)]
    • 0 possibly extinct in the wild [CR(PEW)]
  1. excludes data deficient evaluations.
  2. NT, LR/cd, LC.
  3. Threatened comprises CR, EN and VU. Upper estimate additionally includes DD.
  4. Chart omits extinct (EX) species
Near Threatened (NT) species do not currently qualify for Critically Endangered (CR), Endangered (EN) or Vulnerable (VU), but are likely to qualify for a threatened category in the near future, or are already close to qualifying.
Near Threatened (NT) species do not currently qualify for Critically Endangered (CR), Endangered (EN) or Vulnerable (VU), but are likely to qualify for a threatened category in the near future, or are already close to qualifying.

No subpopulations of invertebrates have been evaluated by the IUCN.

This is a complete list of near threatened invertebrate species and subspecies as evaluated by the IUCN.


Molluscs


There are 535 mollusc species and nine mollusc subspecies assessed as near threatened.


Gastropods


There are 477 gastropod species and four gastropod subspecies assessed as near threatened.


Stylommatophora

Stylommatophora includes the majority of land snails and slugs. There are 250 species and four subspecies in the order Stylommatophora assessed as near threatened.


Zonitids


Clausiliids

Species

Subspecies


Helminthoglyptids


Camaenids

Species

Subspecies


Vertiginids


Cochlicellids


Trissexodontids


Helicids


Hygromiids

Species

Subspecies


Vitrinids


Chondrinids


Enids


Argnids


Other Stylommatophora species


Littorinimorpha

There are 115 species in the order Littorinimorpha assessed as near threatened.


Hydrobiids


Bithyniids


Moitessieriids


Assimineids


Pomatiopsids


Stenothyrids


Sorbeoconcha


Architaenioglossa

There are 41 species in the order Architaenioglossa assessed as near threatened.


Pupinids


Diplommatinids


Aciculids


Viviparids


Ampullariids


Craspedopomatids


Lower Heterobranchia species


Cycloneritimorpha


Hygrophila species


Neogastropoda

There are 29 species in the order Neogastropoda assessed as near threatened.


Buccinids


Muricids


Conids


Bivalvia


There are 57 species and five subspecies in the class Bivalvia assessed as near threatened.


Unionida

There are 49 species and five subspecies in the order Unionoida assessed as near threatened.


Unionids

Species

Subspecies


Hyriids


Cardiida


Venerida


Cephalopods



Cnidaria


There are 176 species in the phylum Cnidaria assessed as near threatened.


Hydrozoa



Anthozoa


There are 175 species in the class Anthozoa assessed as near threatened.


Alcyonacea


Scleractinia

There are 174 species in the order Scleractinia assessed as near threatened.


Euphyllids


Acroporids


Poritids


Brain corals


Pocilloporids


Mussids


Pectiniids


Siderastreids


Agariciids


Fungiids


Other Scleractinia species


Arthropods


There are 390 arthropod species and six arthropod subspecies assessed as near threatened.


Arachnids



Branchiopoda



Entognatha



Maxillopoda


Includes barnacles, copepods and a number of related animals.


Malacostracans


Malacostraca includes crabs, lobsters, crayfish, shrimp, krill, woodlice, and many others. There are 71 malacostracan species and six malacostracan subspecies assessed as near threatened.


Decapods

There are 71 decapod species and six decapod subspecies assessed as near threatened.


Parastacids


Gecarcinucids


Atyids

Species

Subspecies


Cambarids


Potamids


Other decapod species


Insects


There are 301 insect species assessed as near threatened.


Hemiptera


Orthoptera


Hymenoptera


Lepidoptera

Lepidoptera comprises moths and butterflies. There are 62 species in the order Lepidoptera assessed as near threatened.


Swallowtail butterflies


Lycaenids


Nymphalids


Other Lepidoptera species


Beetles

There are 56 beetle species assessed as near threatened.


Geotrupids


Click beetles


Scarabaeids


Other beetle species


Odonata

Odonata includes dragonflies and damselflies. There are 119 species in the order Odonata assessed as near threatened.


Chlorocyphids


Platycnemidids


Gomphids


Cordulegastrids


Corduliids


Calopterygids


Coenagrionids


Aeshnids


Libellulids


Other Odonata species


Other invertebrate species



See also



References


  1. "IUCN Red List version 2016.1". The IUCN Red List of Threatened Species. International Union for Conservation of Nature and Natural Resources (IUCN). Retrieved 4 July 2016.


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