''Samoana fragilis'' is a

species In biology, a species is the basic unit of Taxonomy (biology), classification and a taxonomic rank of an organism, as well as a unit of biodiversity. A species is often defined as the largest group of organisms in which any two individuals of ...

of tropical, air-breathing land snail, a

terrestrial Terrestrial refers to things related to land or the planet Earth. Terrestrial may also refer to: * Terrestrial animal, an animal that lives on land opposed to living in water, or sometimes an animal that lives on or near the ground, as opposed to ...

, pulmonate, gastropod

mollusk Mollusca is the second-largest phylum of invertebrate animals after the Arthropoda, the members of which are known as molluscs or mollusks (). Around 85,000 extant species of molluscs are recognized. The number of fossil species is es ...

in the family

Partulidae Partulidae is a family of air-breathing land snails, terrestrial gastropod mollusks in the superfamily Pupilloidea.MolluscaBase eds. (2021). MolluscaBase. Partulidae Pilsbry, 1900. Accessed through: World Register of Marine Species at: http:/ ...

. This species is known by the common name Fragile Tree snail and

endemic Endemism is the state of a species being found in a single defined geographic location, such as an island, state, nation, country or other defined zone; organisms that are indigenous to a place are not endemic to it if they are also found els ...

Guam Guam (; ch, Guåhan ) is an organized, unincorporated territory of the United States in the Micronesia subregion of the western Pacific Ocean. It is the westernmost point and territory of the United States (reckoned from the geographic ce ...

and island

Rota Rota or ROTA may refer to: Places * Rota (island), in the Marianas archipelago * Rota (volcano), in Nicaragua * Rota, Andalusia, a town in Andalusia, Spain * Naval Station Rota, Spain People * Rota (surname), a surname (including a list of peop ...

References

F Fauna of Guam Fauna of the Northern Mariana Islands Molluscs of Oceania Critically endangered fauna of Oceania Critically endangered fauna of the United States {{Partulidae-stub