List of near threatened invertebrates

Last updated

Circle frame.svg16 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. Status iucn3.1 NT.svg
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.

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.

Contents

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

Related Research Articles

In August 2018, the IUCN Red List of Threatened Species identified 6086 Vulnerable species, subspecies and varieties, stocks and sub-populations in the Animalia kingdom.

As of 19 August 2018, the IUCN Red List of Threatened Species has identified 3,005 critically endangered species, subspecies, stocks and subpopulations in the Animalia kingdom.

On 29 January 2010, the IUCN Red List of Threatened Species identified 2657 near threatened species, subspecies, stocks and sub-populations in the Animalia kingdom.

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.