List of recently extinct invertebrates

Short description: none

As of July 2016, the International Union for Conservation of Nature (IUCN) lists 395 extinct species, 206 possibly extinct species, 15 extinct in the wild species, 8 extinct subspecies, and 5 extinct in the wild subspecies of invertebrate.[1][2]

## Contents

* 1 Flatworms
* 2 Nemertea species
* 3 Annelids
* 4 Molluscs
* 4.1 Gastropods
* 4.2 Bivalvia
* 5 Cnidaria
* 6 Arthropods
* 6.1 Centipedes
* 6.2 Seed shrimps
* 6.3 Arachnids
* 6.4 Millipedes
* 6.5 Entognatha
* 6.6 Maxillopoda
* 6.7 Malacostracans
* 6.8 Insects
* 7 See also
* 8 References

## Flatworms

Extinct species

* Lake Pedder planarian (Romankenkius pedderensis)

## Nemertea species

Extinct species

* Geonemertes rodericana

Possibly extinct species

* Prosadenoporus agricola

## Annelids

Extinct species

* Japan's earthworm (Amynthas japonicus)[3]
* Schmarda's earthworm (Tokea orthostichon)[4][5][6]

* Lake Pedder earthworm (Hypolimnus pedderensis)[7]

## Molluscs

Main page: Biology:List of recently extinct molluscs

### Gastropods

Extinct species

Possibly extinct species

Extinct in the wild species

Extinct subspecies

Extinct in the wild subspecies

### Bivalvia

Extinct species

Possibly extinct species

Extinct subspecies

## Cnidaria

Possibly extinct species

* Millepora boschmai
* Wellington's solitary coral (Rhizopsammia wellingtoni)

## Arthropods

Main page: Biology:List of recently extinct arthropods

### Centipedes

Possibly extinct species

* Mecistocephalus cyclops
* Mecistocephalus sechellarum

### Seed shrimps

Extinct species

* Liocypris grandis
* Namibcypris costata

### Arachnids

Extinct species

Possibly extinct species

### Millipedes

Extinct species

Possibly extinct species

### Entognatha

Possibly extinct species

* Ceratophysella sp. nov. 'HC'
* Delamarephorura tami

### Maxillopoda

Extinct species

* Afrocyclops pauliani
* Tropodiaptomus ctenopus

### Malacostracans

Includes crabs, lobsters, crayfish, shrimp, krill, woodlice, and many others.

Extinct species

Possibly extinct species

Extinct in the wild species

* Socorro isopod (Thermosphaeroma thermophilum)

### Insects

Main page: Biology:List of recently extinct insects

Extinct species

Possibly extinct species

Extinct in the wild species

* Oahu deceptor bush cricket (Leptogryllus deceptor)

## See also

* List of least concern invertebrates
* List of near threatened invertebrates
* List of vulnerable invertebrates
* List of endangered invertebrates
* List of critically endangered invertebrates
* List of data deficient invertebrates

## References

1. ↑ "IUCN Red List version 2016.1". International Union for Conservation of Nature and Natural Resources (IUCN). http://www.iucnredlist.org/.
2. ↑ "Table 9: Possibly Extinct and Possibly Extinct in the Wild Species (IUCN Red List version 2016-1)". Union for Conservation of Nature and Natural Resources (IUCN). http://www.iucnredlist.org/about/summary-statistics.
3. ↑ Blakemore (2019). "Extinction of Japan's first formally described earthworm Amynthas japonicus (Horst, 1883) (Annelida, Oligochaeta, Megadrilacea, Megascolecidae).". Bulletin of Kanagawa Museum 48: 55–60. http://nh.kanagawa-museum.jp/files/data/pdf/bulletin/48/bull48_55_60_blakemore.pdf. Retrieved 10 May 2019.
4. ↑ Blakemore (2012). "On Schmarda's lost earthworm and some newly found New Zealand species (Oligochaeta: Megadrilacea: Lumbricidae, Acanthodrilidae, Octochaetidae, & Megascolecidae s. stricto)". Journal of Species Research (JSR) 1 (2): 105–132. doi:10.12651/jsr.2012.1.2.105.
5. ↑ Blakemore, R.J. (2017). "Tokea orthostichon". IUCN Red List of Threatened Species 2017: e.T103192401A103193535. doi:10.2305/IUCN.UK.2017-2.RLTS.T103192401A103193535.en. https://www.iucnredlist.org/species/103192401/103193535. Retrieved 16 October 2022.
6. ↑ Blakemore (2019). "Redescription of extinct New Zealand earthworm: Tokea orthostichon (Schmarda, 1861)". Bull. Kanagawa Prefectural Museum (N.H.) 42: 61–68. http://nh.kanagawa-museum.jp/files/data/pdf/bulletin/48/bull48_61_68_blakemore.pdf. Retrieved 1 March 2019.
7. ↑ Blakemore (2003). "Hypolimnus pedderensis. The IUCN Red List of Threatened Species 2003: e.T41254A10424837". IUCN Red List of Threatened Species 2003. https://www.iucnredlist.org/species/41254/10424837. Retrieved 27 May 2019.

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