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As of July 2016, the International Union for Conservation of Nature (IUCN) lists 5278 data deficient invertebrate species.[1] 29% of all evaluated invertebrate species are listed as data deficient. The IUCN also lists 57 invertebrate subspecies as data deficient.

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

No subpopulations of invertebrates have been evaluated by the IUCN.

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


Nemertea species



Annelids



Onychophora



Molluscs


There are 1988 mollusc species and 40 mollusc subspecies assessed as data deficient.


Gastropods


There are 1526 gastropod species and 37 gastropod subspecies assessed as data deficient.


Vetigastropoda


Stylommatophora

Stylommatophora includes the majority of land snails and slugs. There are 392 species and 32 subspecies in the order Stylommatophora assessed as data deficient.


Partulids


Subulinids

Species

Subspecies


Achatinellids


Endodontids


Charopids


Helicarionids


Orthalicids


Euconulids


Rhytidids


Streptaxids

Species

Subspecies


Zonitids


Pupillids


Polygyrids

Species

Subspecies


Helminthoglyptids

Species

Subspecies


Camaenids


Lauriids


Vertiginids


Bradybaenids

Species

Subspecies


Helicids


Hygromiids


Enids


Other Stylommatophora

Species

Subspecies


Littorinimorpha

There are 565 species and one subspecies in the order Littorinimorpha assessed as data deficient.


Strombids


Pomatiids


Hydrobiids


Cochliopids


Bithyniids

Species

Subspecies


Moitessieriids


Assimineids


Pomatiopsids


Lithoglyphids


Amnicolids


Stenothyrids


Iravadiids


Truncatellids


Sorbeoconcha

There are 97 species and one subspecies in the order Sorbeoconcha assessed as data deficient.


Batillarids


Pleurocerids


Melanopsids


Semisulcospirids


Thiarids


Pachychilids


Paludomids

Species

Subspecies


Architaenioglossa

There are 106 species and one subspecies in the order Architaenioglossa assessed as data deficient.


Neocyclotids


Cyclophorids

Species

Subspecies


Pupinids


Diplommatinids


Aciculids


Viviparids


Ampullariids


Lower Heterobranchia species


Cycloneritimorpha

There are 30 species and two subspecies in the order Cycloneritimorpha assessed as data deficient.


Helicinids

Species

Subspecies


Hydrocenids


Neritids


Hygrophila species

There are 197 Hygrophila species assessed as data deficient.


Physids


Acroloxids


Planorbids


Lymnaeids


Chilinids


Latiids


Neogastropoda

There are 113 species in the order Neogastropoda assessed as data deficient.


Turrids


Marginellids


Buccinids


Muricids


Conids


Eupulmonata


Archaeopulmonata


Bivalvia


There are 171 species and three subspecies in the class Bivalvia assessed as data deficient.


Pectinida


Unionida

There are 95 species in the order Unionoida assessed as data deficient.


Margaritiferids


Unionids


Hyriids


Iridinids


Mycetopodids


Veneroida

There are 74 species and three subspecies in the order Veneroida assessed as data deficient.


Dreissenids


Sphaeriids

Species

Subspecies


Cyrenids

Species

Subspecies


Donacids


Solecurtids


Mytilida


Cephalopods


There are 291 cephalopod species assessed as data deficient.


Idiosepiida


Octopuses

There are 34 octopus species assessed as data deficient.


Umbrella octopuses


Argonautids


Cirroteuthids


Grimpoteuthis species


Sepioloida

There are 142 species in Sepioloida assessed as data deficient.


Sepiids


Sepiolids


Sepiadariids


Oegopsina species

There are 104 Oegopsina species assessed as data deficient.


Mastigoteuthidae


Enoploteuthids


Hooked squids


Chiroteuthids


Cranchiids


Octopoteuthids


Other Oegopsina species


Bathyteuthida


Cnidaria


There are 166 species in the phylum Cnidaria assessed as data deficient.


Hydrozoa



Anthozoa


There are 164 species in the class Anthozoa assessed as data deficient.


Tube-dwelling anemones


Zoanthinaria


Actinaria


Alcyonacea


Scleractinia

There are 145 species in the order Scleractinia assessed as data deficient.


Acroporids


Oculinids


Poritids


Mussids


Pectiniids


Siderastreids


Other Scleractinia species


Arthropods


There are 2875 arthropod species and 17 arthropod subspecies assessed as data deficient.


Arachnids



Branchiopoda



Millipedes



Maxillopoda


Maxillopoda includes barnacles, copepods and a number of related animals. There are 22 species in the class Maxillopoda assessed as data deficient.


Sessilia


Calanoida

There are 19 species in the order Calanoida assessed as data deficient.


Diaptomids


Temorids


Harpacticoida


Xiphosura



Malacostracans


Malacostraca includes crabs, lobsters, crayfish, shrimp, krill, woodlice, and many others. There are 1130 malacostracan species and 17 malacostracan subspecies assessed as data deficient.


Isopods


Decapods

There are 1128 decapod species and 17 decapod subspecies assessed as data deficient.


Parastacids


Gecarcinucids


Atyids

Species

Subspecies


Cambarids


Potamonautids


Pseudothelphusids


Potamids


Palaemonids

Species

Subspecies


Trichodactylids


Spiny lobsters


Lobsters


Slipper lobsters


Reef lobsters


Other decapod species


Insects


There are 1702 insect species assessed as data deficient.


Blattodea


Orthoptera

There are 50 species in the order Orthoptera assessed as data deficient.


Acridids


Tettigoniids


Phaneropterids


Other Orthoptera species


Hymenoptera

There are 316 species in the order Hymenoptera assessed as data deficient.


Colletids


Melittids


Apids


Halictids


Andrenids


Megachilids


Mantises


Lepidoptera

Lepidoptera comprises moths and butterflies. There are 87 species in the order Lepidoptera assessed as data deficient.


Pyralids


Swallowtail butterflies


Lycaenids


Nymphalids


Skippers


Other Lepidoptera species


Beetles

There are 377 beetle species assessed as data deficient.


Geotrupids


Longhorn beetles


Click beetles


Erotylids


Scarabaeids


Other beetle species


Odonata

Odonata includes dragonflies and damselflies. There are 868 species in the order Odonata assessed as data deficient.


Platystictids


Chlorogomphids


Argiolestids


Chlorocyphids


Isostictids


Platycnemidids


Megapodagrionids


Gomphids


Cordulegastrids


Corduliids


Calopterygids


Coenagrionids


Euphaeids


Macromiids


Lestids


Aeshnids


Libellulids


Polythorids


Other Odonata species


Echinoderms


There are 244 echinoderm species assessed as data deficient.


Sea cucumbers



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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