List of near threatened molluscs

Extinct, since 1500: 310 species Extinct in the wild (EW): 14 species Critically endangered (CR): 576 species Endangered (EN): 503 species Vulnerable (VU): 871 species Near threatened (NT, LR/cd): 534 species Least concern (LC): 2,429 species Data deficient (DD): 1,979 speciesCircle frame.svg
  •   Extinct, since 1500: 310 species
  •   Extinct in the wild (EW): 14 species
  •   Critically endangered (CR): 576 species
  •   Endangered (EN): 503 species
  •   Vulnerable (VU): 871 species
  •   Near threatened (NT, LR/cd): 534 species
  •   Least concern (LC): 2,429 species
  •   Data deficient (DD): 1,979 species
Mollusc species (IUCN, 2015.4)
  • 7216 species have been evaluated
  • 5237 are fully assessed (excludes DD)
  • 2963 are not threatened at present (LC, NT, LR/cd)
  • 1950 are threatened (CR, EN, VU)
  • 324 to 441 are extinct or extinct in the wild (EX, EW, CR(PE), CR(PEW))
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 February 2016, the International Union for Conservation of Nature (IUCN) lists 534 near threatened mollusc species.[1] 7.4% of all evaluated mollusc species are listed as near threatened. The IUCN also lists nine mollusc subspecies as near threatened.

No subpopulations of molluscs have been evaluated by the IUCN.

This is a complete list of near threatened mollusc species and subspecies as evaluated by the IUCN. Where possible common names for taxa are given while links point to the scientific name used by the IUCN.

Gastropoda

There are 476 species and four subspecies in the class Gastropoda assessed as near threatened.

Stylommatophora

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

Zonitids

Helminthoglyptids

Camaenids

Species

Subspecies

Vertiginids

Trissexodontids

Helicids

  • Allognathus pyrenaicus
  • Arianta hessei
  • Arianta schmidtii
  • Arianta stenzii
  • Cattania ardica
  • Cattania maranajensis
  • Cattania petrovici
  • Chilostoma achates
  • Chilostoma acrotricha
  • Chilostoma ambrosi
  • Chilostoma crinita
  • Chilostoma denudata
  • Chilostoma euboeae
  • Chilostoma fuchsi
  • Chilostoma pentheri
  • Chilostoma sztolcmani
  • Chilostoma zebiana
  • Chilostoma ziegleri
  • Faustina rossmaessleri
  • Hemicycla bethencourtiana
  • Hemicycla diegoi
  • Hemicycla glyceia
  • Hemicycla incisogranulata
  • Hemicycla laurijona
  • Hemicycla quadricincta
  • Hemicycla saponacea
  • Iberus alonensis
  • Iberus carthaginiensis
  • Marmorana saxetana
  • Marmorana signata
  • Superba grisea
  • Superba kulmakana
  • Superba reischuetzi
  • Theba clausoinflata

Hygromiids

Species

Subspecies

Vitrinids

  • Oligolimax apatelus
  • Phenacolimax major
  • Plutonia canariensis
  • Plutonia christinae
  • Plutonia cuticula
  • Plutonia emmersoni
  • Plutonia mascaensis
  • Plutonia parryi
  • Plutonia tuberculata
  • Vitrinobrachium baccettii

Chondrinids

Enids

  • Chondrula lugorensis
  • Euchondrus limbodentatus
  • Mastus emarginatus
  • Napaeus avaloensis
  • Napaeus beguirae
  • Napaeus consecoanus
  • Napaeus huttereri
  • Napaeus maculatus
  • Napaeus orientalis
  • Napaeus procerus
  • Napaeus tafadaensis
  • Napaeus voggenreiteri
  • Peristoma merduenianum
  • Peristoma rupestre
  • Rhabdoena mirifica
  • Rhabdoena stokesi
  • Rhabdoena zasiensis
  • Turanena carpathia
  • Turanena katerinae

Argnids

  • Agardhiella banatica
  • Agardhiella crassilabris
  • Agardhiella dabovici
  • Agardhiella grossui
  • Agardhiella langaleta
  • Agardhiella pirotana
  • Agardhiella reinhardti
  • Agardhiella serbica

Other Stylommatophora

Species

Subspecies

Littorinimorpha

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

Hydrobiids

Pomatiopsids

  • Halewisia conica
  • Hubendickia gochenouri
  • Hubendickia microsculpta
  • Hubendickia polita
  • Hubendickia rolfbrandti
  • Hubendickia schlickumi
  • Hubendickia schuetti
  • Hubendickia subulata
  • Hubendickia tuberculata
  • Hubendickia turneri
  • Karelainia hydrorissoidea
  • Lacunopsis coronata
  • Lacunopsis fischerpiettei
  • Lacunopsis massiei
  • Pachydrobia harmandi
  • Pachydrobia incerta
  • Robertsiella kaporensis
  • Tomichia rogersi

Other Littorinimorpha species

Sorbeoconcha

Architaenioglossa

There are 40 species in the order Architaenioglossa assessed as near threatened.

Diplommatinids

Aciculids

Other Architaenioglossa species

Lower Heterobranchia species

Cycloneritimorpha

Hygrophila

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.

Unionoida

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

Unionids

Species

Subspecies

  • Lampsilis reeviana brevicula
  • Lampsilis straminea claibornensis
  • Lampsilis straminea straminea
  • Lasmigona complanata alabamensis
  • Quadrula cylindrica cylindrica

Hyriids

Veneroida

Cephalopods

See also

References

  1. ↑ "IUCN Red List version 2015.4". The IUCN Red List of Threatened Species. International Union for Conservation of Nature and Natural Resources (IUCN). Retrieved 19 February 2016.
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