# List of data deficient invertebrates

* Extinct in the wild (EW): 15 species
* Critically endangered (CR): 987 species
* Endangered (EN): 1,163 species
* Vulnerable (VU): 2,178 species
* Near threatened (NT, LR/cd): 1,105 species
* Least concern (LC): 6,919 species
* Data deficient (DD): 5,278 species
* 17,646 extant species have been evaluated
* 12,368 of those are fully assessed
* 8024 are not threatened at present
* 4328 to 9606 are threatened
* 410 to 616 are extinct or extinct in the wild:
** 395 extinct (EX) species
** 15 extinct in the wild (EW)
** 206 possibly extinct [CR(PE)]
** 0 possibly extinct in the wild [CR(PEW)]
As of July 2016, the International Union for Conservation of Nature (IUCN) lists 5278 data deficient invertebrate species. 29% of all evaluated invertebrate species are listed as data deficient. The IUCN also lists 57 invertebrate subspecies as data deficient.
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

* Argonemertes stocki

## Annelids

* Palolo worm (Eunice viridis)
* Kentucky earthworm (Komarekiona eatoni)
* Phallodriloides macmasterae

## Onychophora

* Mesoperipatus tholloni

## Molluscs

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

## Cnidaria

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

### Hydrozoa

* Millepora braziliensis
* Millepora nitida

### Anthozoa

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

#### Tube-dwelling anemones

* Arachnanthus oligopodus

#### Zoanthinaria

* Epizoanthus frenzeli
* Epizoanthus mediterraneus
* Epizoanthus paguricola
* Epizoanthus paxii
* Epizoanthus steueri
* Epizoanthus tergestinus
* Epizoanthus univittatus
* Epizoanthus vagus

#### Actinaria

* Girdle anemone (Actinia cari)
* Actinia striata
* Bunodeopsis strumosa
* Ivell's sea anemone (Edwardsia ivelli)
* Grass crack anemone (Paranemonia cinerea)
* Sea-daisy (Phymanthus pulcher)
* Segonzactis hartogi

#### Alcyonacea

* Clavularia carpediem
* Maasella edwardsi
* Paramuricea macrospina

#### Scleractinia

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

##### Acroporids

* Acropora akajimensis
* Acropora bifurcata
* Acropora branchi
* Acropora cardenae
* Acropora convexa
* Acropora cophodactyla
* Acropora copiosa
* Acropora efflorescens
* Acropora elegantula
* Acropora exquisita
* Acropora fastigata
* Acropora fenneri
* Acropora filiformis
* Acropora forskali
* Acropora gomezi
* Acropora haimei
* Acropora halmaherae
* Acropora inermis
* Acropora insignis
* Acropora irregularis
* Acropora japonica
* Acropora khayranensis
* Acropora lamarcki
* Acropora lianae
* Acropora macrostoma
* Acropora maryae
* Acropora massawensis
* Acropora meridiana
* Acropora minuta
* Acropora mirabilis
* Acropora natalensis
* Acropora navini
* Acropora ocellata
* Acropora orbicularis
* Acropora pagoensis
* Acropora paragemmifera
* Acropora parahemprichii
* Acropora parapharaonis
* Acropora parilis
* Acropora pectinatus
* Acropora pinguis
* Acropora plana
* Acropora plantaginea
* Acropora prostrata
* Acropora proximalis
* Acropora pruinosa
* Acropora rambleri
* Acropora ridzwani
* Acropora rongelapensis
* Acropora rosaria
* Acropora rufus
* Acropora scherzeriana
* Acropora schmitti
* Acropora sekiseiensis
* Acropora seriata
* Acropora stoddarti
* Acropora sukarnoi
* Acropora tanegashimensis
* Acropora teres
* Acropora tizardi
* Acropora torihalimeda
* Acropora torresiana
* Acropora tumida
* Acropora tutuilensis
* Acropora variabilis
* Acropora vermiculata
* Acropora wallaceae
* Anacropora pillai
* Anacropora spumosa
* Astreopora eliptica
* Enigmopora darveliensis
* Isopora cylindrica
* Isopora elizabethensis
* Montipora aspergillus
* Montipora echinata
* Montipora hemispherica
* Montipora kellyi
* Montipora pachytuberculata
* Montipora taiwanensis
* Montipora vaughani
* Montipora verrilli

##### Oculinids

* Robust ivory tree coral (Oculina robusta)
* Delicate ivory bush coral (Oculina tenella)
* Ivory tree coral (Oculina valenciennesi)
* Schizoculina africana
* Schizoculina fissipara
* Simplastrea vesicularis

##### Poritids

* Alveopora ocellata
* Calathiscus tantillus
* Porites baueri
* Honycomb plate coral (Porites colonensis)
* Porites decasepta
* Porites ericacea
* Porites evermanni
* Porites excavata
* Porites flavus
* Stylaraea punctata

##### Mussids

* Indophyllia macassarensis
* Micromussa diminuta
* Mussismilia braziliensis
* Mussismilia harttii
* Mussismilia hispida
* Ridgeless cactus coral (Mycetophyllia reesi)
* Scolymia wellsi

##### Pectiniids

* Echinophyllia pectinata
* Mycedium spina
* Oxypora convoluta
* Oxypora egyptensis
* Pectinia crassa

##### Siderastreids

* Psammocora albopicta
* Psammocora decussata
* Psammocora interstinctus
* Psammocora ramosa
* Psammocora verrilli
* Siderastrea stellata

##### Other Scleractinia species

* Fragile saucer coral (Agaricia fragilis)
* Scroll coral (Agaricia undata)
* Merulina coral (Boninastrea boninensis)
* Caryophyllia solida
* Cladopsammia rolandi
* Concentrotheca vaughani
* Crispatotrochus galapagensis
* Dendrophyllia johnsoni
* Dichocoenia stellaris
* Echinopora grandicula
* Echinopora irregularis
* Echinopora tiranensis
* Endopsammia pourtalesi
* Favia leptophylla
* Flabellum daphnense
* Fungia puishani
* Madracis asanoi
* Pointed pencil coral (Madracis asperula)
* Madracis carmabi
* Brazilian rose coral (Meandrina braziliensis)
* Montigyra kenti
* Pavona xarifae
* Plerogyra cauliformis
* Plerogyra diabolotus
* Plerogyra multilobata
* Pocillopora effusus
* Pocillopora molokensis
* Podabacia sinai
* Pseudocyathoceras avis
* Stylocoeniella muscosus

## Arthropods

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

## Echinoderms

There are 244 echinoderm species assessed as data deficient.

### Sea cucumbers

* Actinopyga albonigra
* Actinopyga bacilla
* Actinopyga bannwarthi
* Blue sea cucumber (Actinopyga caerulea)
* Actinopyga capillata
* Actinopyga fusca
* Stonefish (Actinopyga lecanora)
* Plump sea cucumber (Actinopyga obesa)
* Actinopyga serratidens
* Actinopyga varians
* Allopatides corrugatus
* Allopatides dendroeides
* Amphigymnas multipes
* Apostichopus johnsoni
* Apostichopus multidentis
* Apostichopus nigripunctatus
* Apostichopus nipponensis
* Argiodia maculata
* Bathyplotes baculosus
* Bathyplotes bigelowi
* Bathyplotes bongraini
* Bathyplotes cinctus
* Bathyplotes crenulata
* Bathyplotes gourdoni
* Bathyplotes imperfectus
* Bathyplotes moseleyi
* Bathyplotes phlegmaticus
* Bathyplotes punctatus
* Bathyplotes roseus
* Bathyplotes rubicundus
* Bathyplotes spuma
* Bathyplotes sulcatus
* Bathyplotes tizardi
* Benthothuria distorta
* Benthothuria fusiformis
* Bohadschia atra
* Bohadschia koellikeri
* Chalky cucumber (Bohadschia marmorata)
* Bohadschia mitsioensis
* Bohadschia paradoxa
* Brownspotted sandfish (Bohadschia similis)
* Bohadschia steinitzi
* Bohadschia subrubra
* Bohadschia tenuissima
* Bohadschia vitiensis
* Eostichopus arnesoni
* Holothuria aculeata
* Holothuria aemula
* Holothuria albifasciatus
* Holothuria albiventer
* Holothuria albofusca
* Holothuria altaturricula
* Holothuria annulifera
* Holothuria aphanes
* Holothuria arenicola
* Holothuria arguinensis
* Holothuria asperita
* Holothuria bacilla
* Holothuria brauni
* Holothuria cadelli
* Holothuria caparti
* Holothuria casoae
* Holothuria cavans
* Holothuria chilensis
* Holothuria conica
* Holothuria conusalba
* Holothuria coronopertusa
* Holothuria crosnieri
* Holothuria cumulus
* Holothuria dicorona
* Holothuria discrepans
* Holothuria dofleinii
* Holothuria duoturricula
* Holothuria duoturriforma
* Holothuria dura
* Holothuria enalia
* Holothuria excellens
* Holothuria exilis
* Holothuria flavocastanea
* Holothuria foresti
* Holothuria fuligina
* Holothuria fuscorubra
* Holothuria glandifera
* Holothuria gracilis
* Holothuria granosa
* Holothuria hamata
* Holothuria hartmeyeri
* Holothuria horrida
* Holothuria huberti
* Bottleneck sea cucumber (Holothuria impatiens)
* Holothuria inornata
* Holothuria integra
* Holothuria jousseaumei
* Holothuria kefersteinii
* Holothuria klunzingeri
* Holothuria kubaryi
* Holothuria lineata
* Holothuria longicosta
* Holothuria macroperona
* Holothuria mactanensis
* Holothuria maculosa
* Holothuria mammosa
* Holothuria martensii
* Holothuria massaspicula
* Holothuria michaelseni
* Holothuria milloti
* Holothuria minax
* Holothuria modesta
* Holothuria multipilula
* Holothuria nigralutea
* Holothuria notabilis
* Holothuria olivacea
* Holothuria papillata
* Holothuria papillifera
* Holothuria parva
* Holothuria portovallartensis
* Holothuria pseudonotabilis
* Holothuria pulla
* Holothuria pyxis
* Holothuria pyxoides
* Holothuria remollescens
* Holothuria riojai
* Holothuria rowei
* Holothuria samoana
* Holothuria sinefibula
* Holothuria sinica
* Holothuria spinifera
* Holothuria squamifera
* Holothuria stellati
* Holothuria stocki
* Holothuria strigosa
* Holothuria submersa
* Holothuria sucosa
* Holothuria sulcata
* Holothuria suspecta
* Holothuria theeli
* Holothuria tortonesei
* Holothuria tripilata
* Holothuria truncata
* Holothuria tuberculata
* Holothuria turrisimperfecta
* Holothuria unica
* Holothuria vemae
* Holothuria vittalonga
* Holothuria zihuatanensis
* Isostichopus macroparentheses
* Labidodemas pseudosemperianum
* Labidodemas quadripartitum
* Labidodemas spineum
* Mesothuria abberviata
* Mesothuria bifurcata
* Mesothuria candelabra
* Mesothuria carnosa
* Mesothuria cathedralis
* Mesothuria connectens
* Mesothuria crebrapedes
* Mesothuria edwardensis
* Mesothuria expectans
* Mesothuria holothurioides
* Mesothuria incerta
* Mesothuria marginata
* Mesothuria maroccana
* Mesothuria milleri
* Mesothuria multipora
* Mesothuria oktaknemoides
* Mesothuria oktaknemus
* Mesothuria regularia
* Mesothuria roulei
* Mesothuria squamosa
* Mesothuria sufflava
* Mesothuria thomsoni
* Mesothuria triradiata
* Mesothuria verrilli
* Molpadiodemas atlanticus
* Molpadiodemas crinitus
* Molpadiodemas depressus
* Molpadiodemas helios
* Molpadiodemas involutus
* Molpadiodemas morbillus
* Molpadiodemas neovillosus
* Molpadiodemas pediculus
* Molpadiodemas pustulosus
* Molpadiodemas translucens
* Molpadiodemas ustulatus
* Neostichopus grammatus
* Neostichopus mollis
* Paelopatides atlantica
* Paelopatides confundens
* Paelopatides dissidens
* Paelopatides gelatinosa
* Paelopatides gigantea
* Paelopatides grisea
* Paelopatides illicitus
* Paelopatides insignis
* Paelopatides modestus
* Paelopatides mollis
* Paelopatides ovalis
* Paelopatides quadridens
* Paelopatides solea
* Paelopatides suspecta
* Paelopatides verrucosus
* Parastichopus nigripunctatus
* Parastichopus tremulus
* Paroriza pallens
* Paroriza prohoi
* Paroriza verrucosa
* Perizona magna
* Pseudostichopus aemaulatus
* Pseudostichopus echinatus
* Pseudostichopus langeae
* Pseudostichopus mollis
* Pseudostichopus occulatatus
* Pseudostichopus papillatus
* Pseudostichopus peripatus
* Pseudostichopus profundi
* Pseudostichopus spiculiferus
* Pseudostichopus tuberosus
* Stichopus anapinusus
* Stichopus ellipes
* Peanutfish (Stichopus horrens)
* Stichopus ludwigi
* Stichopus monotuberculatus
* Stichopus ocellatus
* Stichopus paradoxus
* Stichopus pseudohorrens
* Stichopus quadrifasciatus
* Stichopus rubermaculosus
* Synallactes angustus
* Synallactes chuni
* Synallactes crebrapapilla
* Synallactes discoidalis
* Synallactes elongata
* Synallactes laguardai
* Synallactes longipapillata
* Synallactes mollis
* Synallactes multivesiculatus
* Synallactes pellucidus
* Synallactes rigidus
* Synallactes robertsoni
* Synallactes samyni
* Synallactes triplax
* Synallactes viridilimus
* Amberfish (Thelenota anax)
* Thelenota rubralineata