San Nicolas Island is the most remote of the Channel Islands, off of Southern California, 61 miles (98 km) from the nearest point on the mainland coast. It is part of Ventura County. The 14,562 acre island is currently controlled by the United States Navy and is used as a weapons testing and training facility, served by Naval Outlying Landing Field San Nicolas Island. The uninhabited island is defined by the United States Census Bureau as Block Group 9, Census Tract 36.04 of Ventura County, California. The Nicoleño Native American tribe inhabited the island until 1835. As of the 2000 U.S. Census, the island has since remained officially uninhabited, though the census estimates that at least 200 military and civilian personnel live on the island at any given time. The island has a small airport, though the 10,000 foot (3,000 m) runway is the second longest in Ventura County. Additionally, there are several buildings including telemetry reception antennas.
The Lord Howe flax snail or the Lord Howe placostylus, scientific name Placostylus bivaricosus, is a species of large air-breathing land snail, a terrestrial pulmonate gastropod mollusc in the family Bothriembryontidae.
Amphicyclotulus guadeloupensis was a species of tropical land snail with a gill and an operculum, a terrestrial gastropod mollusk in the family Neocyclotidae.
Amphicyclotulus perplexus is a species of tropical land snail with a gill and an operculum, a terrestrial gastropod mollusk in the family Neocyclotidae.
The Badwater snail is a species of minute, salt marsh snail endemic to the Badwater Basin in Death Valley. It is found only at low elevations near spring sources, and only in regions with relatively low precipitation. It is capable of living completely submerged in the spring water.
Ctenoglypta newtoni was a species of small air-breathing land snails, terrestrial pulmonate gastropod mollusks in the family Euconulidae, the hive snails. This species was endemic to Mauritius. It is now extinct.
Georissa laevigata is a species of a land snail, a minute cave snail, gastropod mollusk in the family Hydrocenidae.
The banded dune snail or Morro shoulderband, scientific name Helminthoglypta walkeriana, is a species of air-breathing land snail, a terrestrial pulmonate gastropod mollusc in the family Helminthoglyptidae.
Micrarionta is a genus of medium-sized air-breathing land snails, terrestrial pulmonate gastropod mollusks in the family Helminthoglyptidae.
Gabb's snail also known as the San Clemente Island snail, scientific name Micrarionta gabbii, is a species of air-breathing land snail, a terrestrial pulmonate gastropod mollusk in the family Helminthoglyptidae.
Partula taeniata, common name the Moorean viviparous tree snail, is a species of terrestrial gastropod in the Partulidae family. It is endemic to French Polynesia.
Polygyriscus is a genus of minute air-breathing land snails, terrestrial pulmonate gastropod mollusks in the family Polygyridae. This is a monotypic genus of snails containing the single species Polygyriscus virginianus, known commonly as the Virginia fringed mountain snail or the Virginia coil. That species is endemic to the State of Virginia in the United States.
The Franklin Mountain talus snail, scientific name Sonorella metcalfi, is a species of air-breathing land snail, a terrestrial pulmonate gastropod mollusk in the subfamily Helminthoglyptinae. This species is endemic to the United States.
Succinea sanctaehelenae is a species of land snail in the family Succineidae, the amber snails. It is known commonly as the blushing snail. It is endemic to the island of Saint Helena in the South Atlantic Ocean.
Vertigo ovata, common name the ovate vertigo, is a species of minute, air-breathing land snail, a terrestrial pulmonate gastropod mollusk in the family Vertiginidae, the whorl snails.
The Helminthoglyptinae are a subfamily of air-breathing land snails, terrestrial pulmonate gastropod mollusks within the family Xanthonychidae.
