List of near threatened invertebrates explained

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

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.

Clausiliids

SpeciesSubspecies

• Alopia bielzii clathrata
• Macrogastra lineolata euzieriana

Camaenids

SpeciesSubspecies

• Glyptorhagada wilkawillina umbilicata

Hygromiids

SpeciesSubspecies

• Xerocrassa montserratensis betulonensis

Other Stylommatophora species

Littorinimorpha

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

Assimineids

• Omphalotropis circumlineata
• Omphalotropis zelriolata

Stenothyrids

• Stenothyra khongi
• Stenothyra wykoffi

Architaenioglossa

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

Pupinids

• Pupina coxeni
• Pupina pfeifferi

Craspedopomatids

• Craspedopoma hespericum
• Craspedopoma monizianum

Lower Heterobranchia species

• Valvata rhabdota
• Valvata stenotrema

Neogastropoda

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

Buccinids

• Ranella olearia
• Ranella parthenopaeum

Muricids

• Latiaxis babelis

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

SpeciesSubspecies

Hyriids

• Southern river mussel (Hyridella narracanensis)
• South Esk freshwater mussel (Velesunio moretonicus)

Venerida

Cephalopods

• Giant Australian cuttlefish (Sepia apama)

Cnidaria

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

Hydrozoa

• Millepora murrayi

Anthozoa

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

Alcyonacea

• Organ pipe coral (Tubipora musica)

Scleractinia

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

Other Scleractinia species

Arthropods

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

Branchiopoda

• Mono Lake brine shrimp (Artemia monica)
• California linderiella (Linderiella occidentalis)

Entognatha

• Blasconura batai
• Lepidonella lecongkieti

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.

Atyids

SpeciesSubspecies

Other decapod species

Insects

There are 301 insect species assessed as near threatened.

Lepidoptera

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

Other Lepidoptera species

Beetles

There are 56 beetle species assessed as near threatened.

Other beetle species

Odonata

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

Other Odonata species

See also

• Lists of IUCN Red List near threatened species
• List of least concern invertebrates
• List of vulnerable invertebrates
• List of endangered invertebrates
• List of critically endangered invertebrates
• List of recently extinct invertebrates
• List of data deficient invertebrates

Notes and References

1. Web site: IUCN Red List version 2016.1. The IUCN Red List of Threatened Species. International Union for Conservation of Nature and Natural Resources . 4 July 2016.