A species that is extinct in the wild (EW) is one that has been categorized by the International Union for Conservation of Nature as known only by living members kept in captivity or as a naturalized population outside its historic range due to massive habitat loss.
The Somali hedgehog is a species of mammal in the family Erinaceidae. It is endemic to Somalia and Somaliland. The Somali hedgehog is nocturnal.
The Oriental shrew is a species of mammal in the family Soricidae. It is endemic to Indonesia. It is threatened by habitat loss.
The pale gray shrew is a species of mammal in the family Soricidae. It is endemic to Pakistan. It is threatened by habitat loss.
The Siberian shrew is a species of mammal in the family Soricidae. It is found in Russia, possibly China, and possibly Mongolia.
The Iranian shrew is a species of mammal in the family Soricidae. It is endemic to Iran. It is threatened by habitat loss.
Portenko's shrew is a species of mammal in the family Soricidae that is endemic to Russia.
The long-tailed brown-toothed shrew is a species of mammal in the family Soricidae. It is found in China, India, Myanmar, Nepal, and Vietnam.
The long-tailed mountain shrew is a species of mammal in the family Soricidae. It is found in China, Myanmar, Nepal, and Vietnam.
The Lowe's shrew is a species of mammal in the family Soricidae. It is found in China, Myanmar, Thailand, and Vietnam.
Speleoperipatus is a monospecific genus of velvet worm in the Peripatidae family, containing the single species Speleoperipatus spelaeus. This species is a pale greenish yellow, almost white, with 22 or 23 pairs of legs and no eyes.
Amplirhagada astuta is a species of air-breathing land snail, a terrestrial pulmonate gastropod mollusk in the family Camaenidae. This species is endemic to Australia.
Amplirhagada montalivetensis is a species of air-breathing land snail, a terrestrial pulmonate gastropod mollusks in the family Camaenidae. This species is endemic to Australia.
Stygobromus is a genus of amphipod crustaceans that live in subterranean habitats. As well as a large number of species in North America, a smaller number of species are also known from Eurasia. Most of the North American species live in areas which were not covered by the Laurentide Ice Sheet, although a few species seem to have survived under the ice. A number of species are on the IUCN Red List as endangered species (EN) or vulnerable species (VU); all the listed species are endemic to the United States. One species, S. lucifugus, is extinct. Stygobromus includes the following species:
The primordial tapecua is a species of medium-sized rodent in the family Cricetidae. The type locality is in southeastern Bolivia. It is the only known species of the genus Tapecomys. Two specimens were found in 1991 in a forested region at an elevation of 1500 m near the village of Tapecua in the Tarija Department of Bolivia. A few additional specimens have been found since, from the type locality and from a location in Jujuy Province, northern Argentina.
