| Tapered cavesnail | |
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| Species: | F. holsingeri |
| Binomial name | |
| Fontigens holsingeri Hubricht, 1976 | |
The tapered cavesnail, scientific name Fontigens holsingeri, is a species of very small freshwater snail with a gill and an operculum, an aquatic gastropod mollusk in the family Hydrobiidae. This species is endemic to the United States.
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 Javanese shrew is a species of mammal in the family Soricidae. It is endemic to Indonesia.
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 Iranian shrew is a species of mammal in the family Soricidae. It is endemic to Iran. It is threatened by habitat loss.
Zarudny's rock shrew is a species of mammal in the family Soricidae. It is found in Afghanistan, Iran, and Pakistan.
The Lowe's shrew is a species of mammal in the family Soricidae. It is found in China, Myanmar, Thailand, and Vietnam.
Mesoperipatus is a monospecific genus of velvet worm in the Peripatidae family, containing a single species Mesoperipatus tholloni. It is found in Gabon. This species is listed as Data Deficient on the IUCN Red List.
Peripatoides suteri is a species of peripatus in the Peripatopsidae family. It is endemic to New Zealand. The species is listed as Vulnerable on the IUCN Red List.
Speleoperipatus is a monospecific genus of velvet worm in the Peripatidae family, containing the single species Speleoperipatus spelaeus.
The Tumbling Creek cavesnail is a species of freshwater cave snail with gills and an operculum, an aquatic gastropod mollusk in the family Amnicolidae.
Fontigens is a genus of minute freshwater snails with an operculum, aquatic gastropod molluscs or micromolluscs in the family Hydrobiidae.
The Greenbrier cavesnail, scientific name Fontigens turritella, is a species of very small or minute freshwater snail with an operculum, an aquatic gastropod mollusk in the family Hydrobiidae. This species is endemic to the United States.
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:
Ogdens Cave Natural Area Preserve is a 131-acre (53 ha) Natural Area Preserve located in Frederick County, Virginia. The preserve protects a cave that carries a below-ground branch of Buffalo Marsh Run, which also flows overland through the preserve.
Pseudanophthalmus holsingeri, or Holsinger's cave beetle, is a species of ground beetle in the family Carabidae. It is found in North America.
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