Invertebrate species (IUCN, 2020.1)
17,646 extant species have been evaluated
12,368 of those are fully assessed[a]
8024 are not threatened at present[b]
4328 to 9606 are threatened[c]
410 to 616 are extinct or extinct in the wild:
395 extinct (EX) species[d]
15 extinct in the wild (EW)
206 possibly extinct [CR(PE)]
0 possibly extinct in the wild [CR(PEW)]
^ excludes data deficient evaluations.
^ NT, LR/cd, LC.
^ Threatened comprises CR, EN and VU. Upper estimate additionally includes DD.
^ Chart omits extinct (EX) species
Near threatened (NT) species do not currently qualify for critically endangered (CR), endangered (EN) or vulnerable (VU) status, but are likely to qualify for a threatened category in the near future, or are already close to qualifying. 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.
There are 535 mollusc species and nine mollusc subspecies assessed as near threatened.
There are 477 gastropod species and four gastropod subspecies assessed as near threatened.
Stylommatophora includes the majority of land snails and slugs. There are 250 species and four subspecies in the order Stylommatophora assessed as near threatened.
Species
Subspecies
Alopia bielzii clathrata
Macrogastra lineolata euzieriana
Species
Subspecies
Glyptorhagada wilkawillina umbilicata
Monilearia montigena
Monilearia multipunctata
Monilearia phalerata
Monilearia tubaeformis
Ripkeniella petrophila
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
Species
Subspecies
Xerocrassa montserratensis betulonensis
Oligolimax apatelus
Phenacolimax major
Plutonia canariensis
Plutonia christinae
Plutonia cuticula
Plutonia emmersoni
Plutonia mascaensis
Plutonia parryi
Plutonia tuberculata
Vitrinobrachium baccettii
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
Agardhiella banatica
Agardhiella crassilabris
Agardhiella dabovici
Agardhiella grossui
Agardhiella langaleta
Agardhiella pirotana
Agardhiella reinhardti
Agardhiella serbica
Other Stylommatophora species
There are 115 species in the order Littorinimorpha assessed as near threatened.
Moitessieria heideae
Moitessieria olleri
Paladilhia hungarica
Sardopaladilhia plagigeyerica
Spiralix vitrea
Omphalotropis circumlineata
Omphalotropis zelriolata
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
Stenothyra khongi
Stenothyra wykoffi
There are 41 species in the order Architaenioglossa assessed as near threatened.
Valvata rhabdota
Valvata stenotrema
There are 29 species in the order Neogastropoda assessed as near threatened.
There are 57 species and five subspecies in the class Bivalvia assessed as near threatened.
There are 49 species and five subspecies in the order Unionoida assessed as near threatened.
Species
Subspecies
Lampsilis reeviana brevicula
Lampsilis straminea claibornensis
Lampsilis straminea straminea
Lasmigona complanata alabamensis
Quadrula cylindrica cylindrica
Southern river mussel (Hyridella narracanensis )
South Esk freshwater mussel (Velesunio moretonicus )
There are 176 species in the phylum Cnidaria assessed as near threatened.
There are 175 species in the class Anthozoa assessed as near threatened.
There are 174 species in the order Scleractinia assessed as near threatened.
Caulastrea tumida
Diploastrea heliopora
Echinopora forskaliana
Echinopora fruticulosa
Echinopora horrida
Echinopora mammiformis
Echinopora pacificus
Echinopora taylorae
Erythrastrea flabellata
Favia albidus
Favia helianthoides
Favia lacuna
Favia laxa
Favia lizardensis
Favia maritima
Favia marshae
Favia matthaii
Favia maxima
Favia rotundata
Favia stelligera
Favia veroni
Favia vietnamensis
Favites abdita
Favites acuticollis
Favites bestae
Favites chinensis
Favites complanata
Favites flexuosa
Favites halicora
Favites micropentagona
Favites paraflexuosa
Favites russelli
Favites stylifera
Favites vasta
Goniastrea columella
Goniastrea favulus
Goniastrea minuta
Goniastrea palauensis
Goniastrea peresi
Goniastrea thecata
Leptastrea bewickensis
Leptastrea bottae
Leptastrea inaequalis
Leptoria phrygia
Montastrea annuligera
Montastrea colemani
Montastrea magnistellata
Montastrea valenciennesi
Oulophyllia bennettae
Oulophyllia crispa
Platygyra acuta
Platygyra carnosus
Platygyra crosslandi
Platygyra lamellina
Platygyra ryukyuensis
Platygyra verweyi
Plesiastrea devantieri
Echinomorpha nishihirai
Pectinia ayleni
Pectinia elongata
Pectinia paeonia
Pectinia pygmaeus
Pectinia teres
Coscinaraea crassa
Psammocora contigua
Psammocora digitata
Psammocora obtusangula
Psammocora vaughani
Pseudosiderastrea tayami
Thin leaf lettuce coral (Agaricia tenuifolia )
Leptoseris amitoriensis
Leptoseris striata
Pachyseris gemmae
Pavona minuta
Ctenactis albitentaculata
Common mushroom coral (Fungia fungites )
Lithophyllon undulatum
Podabacia motuporensis
Polyphyllia novaehiberniae
Other Scleractinia species
There are 390 arthropod species and six arthropod subspecies assessed as near threatened.
Blasconura batai
Lepidonella lecongkieti
Includes barnacles, copepods and a number of related animals.
Malacostraca includes crabs, lobsters, crayfish, shrimp, krill, woodlice, and many others. There are 71 malacostracan species and six malacostracan subspecies assessed as near threatened.
There are 71 decapod species and six decapod subspecies assessed as near threatened.
Species
Atyoida bisulcata
Caridina fasciata
Caridina formosae
Caridina mauritii
Caridina meridonalis
Caridina richtersi
Caridina serrata
Caridina spathulirostris
Dugastella valentina
Gallocaris inermis
Lancaris singhalensis
Pycneus morsitans
Troglocaris hercegovinensis
Troglocaris planinensis
Troglocaris pretneri Subspecies
Troglocaris anophthalmus anophthalmus
Troglocaris anophthalmus intermedia
Troglocaris anophthalmus legovici
Troglocaris anophthalmus ocellata
Troglocaris anophthalmus periadriatica
Troglocaris anophthalmus sontica
Other decapod species
There are 301 insect species assessed as near threatened.
Southern Sardinian cricket (Acroneuroptila puddui )
Northern Sardinian cricket (Acroneuroptila sardoa )
Gomera stick grasshopper (Acrostira bellamyi )
Gran Canaria stick grasshopper (Acrostira tamarani )
Tenerife short-winged bush-cricket (Ariagona margaritae )
Splendid rock grasshopper (Arminda canariensis )
Tenerife laurel bush-cricket (Canariola willemsei )
Plump-headed grasshopper (Chorthippus crassiceps )
Parnon grasshopper (Chorthippus parnon )
Nymph-like grasshopper (Chorthippus pulloides )
Giglio cave cricket (Dolichopoda aegilion )
Larissa cave-cricket (Dolichopoda annae )
Koutouki cave-cricket (Dolichopoda insignis )
Kiriaki cave-cricket (Dolichopoda kiriakii )
Cretan cave-cricket (Dolichopoda paraskevi )
Corfu cave-cricket (Dolichopoda steriotisi )
Ionian marbled bush-cricket (Eupholidoptera cephalonica )
Uvarov's marbled bush-cricket (Eupholidoptera uvarovi )
Cyprian tonged bush-cricket (Exodrymadusa inornata )
Heldreich's stone grasshopper (Glyphotmethis heldreichi )
Canarian crevice-cricket (Gryllomorpha canariensis )
White-horned Italian grasshopper (Italohippus albicornis )
Calabrian speckled bush-cricket (Leptophyes calabra )
Greek speckled bush-cricket (Leptophyes lisae )
California ground cricket (Neonemobius eurynotus )
Parnassos glandular cricket (Ovaliptila krueperi )
Sporades glandular cricket (Ovaliptila wettsteini )
Jablanica bright bush-cricket (Poecilimon jablanicensis )
Andros bright bush-cricket (Poecilimon klausgerhardi )
Maquis bush-cricket (Rhacocleis silvestrii )
Werner's bush-cricket (Rhacocleis werneri )
Spanistic desert grasshopper (Spaniacris deserticola )
Black-headed Jerusalem cricket (Stenopelmatus nigrocapitatus )
Zoia's cave-cricket (Troglophilus zoiai )
Aegean desert grasshopper (Xerohippus solerii )
Lepidoptera comprises moths and butterflies. There are 62 species in the order Lepidoptera assessed as near threatened.
Other Lepidoptera species
There are 56 beetle species assessed as near threatened.
Ceratophyus hoffmannseggi
Lethrus fallax
Thorectes albarracinus
Thorectes lusitanicus
Thorectes marginatus
Cardinal click beetle (Ampedus cardinalis )
Ampedus carinthiacus
Ampedus coenobita
Ampedus corsicus
Brachygonus meraculus
Crepidophorus mutilatus
Reitterelater bouyoni
Alocoderus carinifrons
Ammoecius lusitanicus
Anomius crovettii
Anomius peyerimhoffi
Anonychonitis freyi
Ateuchetus cicatricosus
Cryptocanthon foveatus
Cryptocanthon genieri
Euorodalus boiteli
Genieridium medinae
Gymnopleurus sturmi
Gyronotus dispar
Gyronotus mulanjensis
Heptaulacus brancoi
Holocephalus sculptus
Macroderes endroedyi
Macroderes undulatus
Mimonthophagus limbibasis
Ontherus grandis
Ontherus irinus
Onthophagus merdarius
Oxysternon pteroderum
Pedaria cambeforti
Phanaeus achilles
Scarabaeus bornemizzai
Scybalocanthon darlingtoni
Other beetle species
Odonata includes dragonflies and damselflies. There are 119 species in the order Odonata assessed as near threatened.
Chlorocypha bamptoni
Angola jewel (Chlorocypha crocea )
Indocypha vittata
Libellago stictica
Tanganyika jewel (Platycypha pinheyi )
Rhinocypha xanthe
Yellow-sided jewel (Stenocypha jacksoni )
Bow-faced jewel (Stenocypha molindica )
Other Odonata species