Partula (genus)
Encyclopedia
Partula is a genus
Genus
In biology, a genus is a low-level taxonomic rank used in the biological classification of living and fossil organisms, which is an example of definition by genus and differentia...

 of air-breathing tropical land snail
Land snail
A land snail is any of the many species of snail that live on land, as opposed to those that live in salt water and fresh water. Land snails are terrestrial gastropod mollusks that have shells, It is not always an easy matter to say which species are terrestrial, because some are more or less...

s, terrestrial
Terrestrial animal
Terrestrial animals are animals that live predominantly or entirely on land , as compared with aquatic animals, which live predominantly or entirely in the water , or amphibians, which rely on a combination of aquatic and terrestrial habitats...

 pulmonate gastropod mollusks in the family Partulidae
Partulidae
Partulidae is a family of air-breathing land snails, terrestrial gastropod mollusks in the infraorder Stylommatophora, endemic to Pacific islands.- Genera :Partulidae is divided into three genera:* Eua has four species, confined to Tonga and Samoa....

.

Many species of Partula are known under general common name "Polynesian Tree Snail" or as "Moorean Viviparous Tree Snail".

Partulids are spread over 5000 square miles (12,949.9 km²) of Pacific Ocean
Pacific Ocean
The Pacific Ocean is the largest of the Earth's oceanic divisions. It extends from the Arctic in the north to the Southern Ocean in the south, bounded by Asia and Australia in the west, and the Americas in the east.At 165.2 million square kilometres in area, this largest division of the World...

 islands, from the Society Islands
Society Islands
The Society Islands are a group of islands in the South Pacific Ocean. They are politically part of French Polynesia. The archipelago is generally believed to have been named by Captain James Cook in honor of the Royal Society, the sponsor of the first British scientific survey of the islands;...

 to Palau
Palau
Palau , officially the Republic of Palau , is an island nation in the Pacific Ocean, east of the Philippines and south of Tokyo. In 1978, after three decades as being part of the United Nations trusteeship, Palau chose independence instead of becoming part of the Federated States of Micronesia, a...

.

Once used as decorative items in Polynesian
Polynesian culture
Polynesian culture refers to the indigenous peoples' culture of Polynesia who share common traits in language, customs and society. Chronologically, the development of Polynesian culture can be divided into four different historical eras:...

 ceremonial wear and jewelry, these small snails (averaging about one-half to three-quarters of an inch in length) gained the attention of science when Dr. Henry Crampton
Henry Crampton
Henry Edward Crampton was an American paleontologist and evolutionary biologist, who specialized in the study of land snails. Crampton made twelve separate expeditions over the course of his career to Moorea near Tahiti to study the land snail genus Partula, while years more were spent measuring...

 (along with Yoshio Kondo
Yoshio Kondo
Yoshio Kondo was a biologist and malacologist. He spent virtually his entire life in Hawaii, with the exception of a number of collecting expeditions, primarily to islands in the Pacific Ocean , and his time spent at Harvard University, where he received a Ph.D. under the direction of William J...

) spent 50 years studying and cataloging partulids, detailing their remarkable array of morphological elements, ecological niche
Ecological niche
In ecology, a niche is a term describing the relational position of a species or population in its ecosystem to each other; e.g. a dolphin could potentially be in another ecological niche from one that travels in a different pod if the members of these pods utilize significantly different food...

s and behavioral aspects that illustrate adaptive radiation
Adaptive radiation
In evolutionary biology, adaptive radiation is the evolution of ecological and phenotypic diversity within a rapidly multiplying lineage. Starting with a recent single ancestor, this process results in the speciation and phenotypic adaptation of an array of species exhibiting different...

.

Decline

What happened to the partulids of the island of Tahiti
Tahiti
Tahiti is the largest island in the Windward group of French Polynesia, located in the archipelago of the Society Islands in the southern Pacific Ocean. It is the economic, cultural and political centre of French Polynesia. The island was formed from volcanic activity and is high and mountainous...

 is a demonstration of the possible deleterious effects of attempted biological control. After an infestation of the introduced giant African land snails (Achatina
Achatina
Achatina is a genus of medium-sized to very large, air-breathing, tropical land snails, terrestrial pulmonate gastropod mollusks in the family Achatinidae.-Distribution:There are some 200 species of Achatinidae in Sub-Saharan Africa...

spp.), the carnivorous Florida rosy wolfsnail (Euglandina rosea
Euglandina rosea
Euglandina rosea, common names the "rosy wolfsnail" or the "cannibal snail", is a species of medium-sized to large predatory air-breathing land snail, a carnivorous terrestrial pulmonate gastropod mollusk in the family Spiraxidae.-Distribution:...

) was introduced into Tahiti in an attempt to combat the African species.

The wolfsnail chose instead to hunt and eat members of the nearly 76 species of Partula that were endemic to Tahiti, devouring all but about 5 species in a decade. Several scientists recognized what was going on, and were able to save several species prior to their becoming extinct.

Today, the Zoological Society of London
Zoological Society of London
The Zoological Society of London is a charity devoted to the worldwide conservation of animals and their habitats...

 runs the Partula Programme Consortium which maintains a captive breeding program in the United Kingdom
United Kingdom
The United Kingdom of Great Britain and Northern IrelandIn the United Kingdom and Dependencies, other languages have been officially recognised as legitimate autochthonous languages under the European Charter for Regional or Minority Languages...

, France
France
The French Republic , The French Republic , The French Republic , (commonly known as France , is a unitary semi-presidential republic in Western Europe with several overseas territories and islands located on other continents and in the Indian, Pacific, and Atlantic oceans. Metropolitan France...

 and the United States
United States
The United States of America is a federal constitutional republic comprising fifty states and a federal district...

.

The 2008 IUCN Red List of Threatened Species contains 15 critically endangered
Critically endangered
Version 2010.3 of the IUCN Red List of Threatened Species identified 3744 Critically Endangered species, subspecies and varieties, stocks and subpopulations.Critically Endangered by kingdom:*1993 Animalia*2 Fungi*1745 Plantae*4 Protista-References:...

, 11 extinct in the wild
Extinct in the Wild
Extinct in the Wild is a conservation status assigned to species or lower taxa, the only known living members of which are being kept in captivity or as a naturalized population outside its historic range.-Examples:...

 and 48 extinct Partula species. The IUCN Red List of Threatened Species version 2009.2 contains 13 critically endangered
Critically endangered
Version 2010.3 of the IUCN Red List of Threatened Species identified 3744 Critically Endangered species, subspecies and varieties, stocks and subpopulations.Critically Endangered by kingdom:*1993 Animalia*2 Fungi*1745 Plantae*4 Protista-References:...

, 11 extinct in the wild
Extinct in the Wild
Extinct in the Wild is a conservation status assigned to species or lower taxa, the only known living members of which are being kept in captivity or as a naturalized population outside its historic range.-Examples:...

 and 51 extinct Partula species.

Species

Species within the genus Partula include:

  • Partula affinis
    Partula affinis
    †Partula affinis was a species of air-breathing tropical land snail, a terrestrial pulmonate gastropod mollusk in the family Partulidae. This species was endemic to French Polynesia. It is now critically endangered.-References:...

    Extinction
    In biology and ecology, extinction is the end of an organism or of a group of organisms , normally a species. The moment of extinction is generally considered to be the death of the last individual of the species, although the capacity to breed and recover may have been lost before this point...

  • Partula approximata
    Partula approximata
    †Partula approximata was a species of air-breathing tropical land snail, a terrestrial pulmonate gastropod mollusk in the family Partulidae. This species was endemic to French Polynesia. It is now extinct.-References:...

    Extinction
    In biology and ecology, extinction is the end of an organism or of a group of organisms , normally a species. The moment of extinction is generally considered to be the death of the last individual of the species, although the capacity to breed and recover may have been lost before this point...

  • Partula arguta
    Partula arguta
    †Partula arguta was a species of air-breathing tropical land snail, a terrestrial pulmonate gastropod mollusk in the family Partulidae. This species was endemic to French Polynesia. It is now extinct. The last Partula arguta died in captivity in 1995....

    Extinction
    In biology and ecology, extinction is the end of an organism or of a group of organisms , normally a species. The moment of extinction is generally considered to be the death of the last individual of the species, although the capacity to breed and recover may have been lost before this point...

  • Partula atilis
    Partula atilis
    †Partula atilis was a species of air-breathing tropical land snail, a terrestrial pulmonate gastropod mollusk in the family Partulidae. This species was endemic to French Polynesia. It is now extinct.- References :...

    Extinction
    In biology and ecology, extinction is the end of an organism or of a group of organisms , normally a species. The moment of extinction is generally considered to be the death of the last individual of the species, although the capacity to breed and recover may have been lost before this point...

  • Partula aurantia
    Partula aurantia
    †Partula aurantia, common name the Moorean viviparous tree snail, was a species of air-breathing tropical land snail, a terrestrial pulmonate gastropod mollusk in the family Partulidae. This species was endemic to French Polynesia. It is now extinct....

    Extinction
    In biology and ecology, extinction is the end of an organism or of a group of organisms , normally a species. The moment of extinction is generally considered to be the death of the last individual of the species, although the capacity to breed and recover may have been lost before this point...

  • Partula auriculata
    Partula auriculata
    †Partula auriculata was a species of air-breathing tropical land snail, a terrestrial pulmonate gastropod mollusk in the family Partulidae. This species was endemic to French Polynesia. It is now extinct.-References:...

    Extinction
    In biology and ecology, extinction is the end of an organism or of a group of organisms , normally a species. The moment of extinction is generally considered to be the death of the last individual of the species, although the capacity to breed and recover may have been lost before this point...

  • Partula bilineata
    Partula bilineata
    †Partula bilineata was a species of air-breathing tropical land snail, a terrestrial pulmonate gastropod mollusk in the family Partulidae. This species was endemic to French Polynesia. It is now extinct.-References:...

    Extinction
    In biology and ecology, extinction is the end of an organism or of a group of organisms , normally a species. The moment of extinction is generally considered to be the death of the last individual of the species, although the capacity to breed and recover may have been lost before this point...

  • Partula callifera
    Partula callifera
    †Partula callifera was a species of air-breathing tropical land snail, a terrestrial pulmonate gastropod mollusk in the family Partulidae. This species was endemic to French Polynesia. It is now extinct.-References:...

    Extinction
    In biology and ecology, extinction is the end of an organism or of a group of organisms , normally a species. The moment of extinction is generally considered to be the death of the last individual of the species, although the capacity to breed and recover may have been lost before this point...

  • Partula calypso
    Partula calypso
    Partula calypso is a species of air-breathing tropical land snail, a terrestrial pulmonate gastropod mollusk in the family Partulidae. This species is endemic to Palau.-References:* Mollusc Specialist Group 1996. . Downloaded on 7 August 2007....

  • Partula candida
    Partula candida
    †Partula candida was a species of air-breathing tropical land snail, a terrestrial pulmonate gastropod mollusk in the family Partulidae. This species was endemic to French Polynesia. It is now extinct.-References:...

    Extinction
    In biology and ecology, extinction is the end of an organism or of a group of organisms , normally a species. The moment of extinction is generally considered to be the death of the last individual of the species, although the capacity to breed and recover may have been lost before this point...

  • Partula castanea
    Partula castanea
    †Partula castanea was a species of air-breathing tropical land snail, a terrestrial pulmonate gastropod mollusk in the family Partulidae. This species was endemic to French Polynesia. It is now extinct.-References:...

    Extinction
    In biology and ecology, extinction is the end of an organism or of a group of organisms , normally a species. The moment of extinction is generally considered to be the death of the last individual of the species, although the capacity to breed and recover may have been lost before this point...

  • Partula cedista
    Partula cedista
    †Partula cedista was a species of air-breathing tropical land snail, a terrestrial pulmonate gastropod mollusk in the family Partulidae. This species was endemic to French Polynesia. It is now extinct.-References:...

    Extinction
    In biology and ecology, extinction is the end of an organism or of a group of organisms , normally a species. The moment of extinction is generally considered to be the death of the last individual of the species, although the capacity to breed and recover may have been lost before this point...

  • Partula citrina
    Partula citrina
    Partula citrina was a species of air-breathing tropical land snail, a terrestrial pulmonate gastropod mollusk in the family Partulidae. This species was endemic to French Polynesia. It is now extinct.-References:...

    Extinction
    In biology and ecology, extinction is the end of an organism or of a group of organisms , normally a species. The moment of extinction is generally considered to be the death of the last individual of the species, although the capacity to breed and recover may have been lost before this point...

  • Partula clara
    Partula clara
    Partula clara is a species of land snail, a gastropod in the Partulidae family. It is endemic to French Polynesia....


  • Partula compacta
    Partula compacta
    †Partula compacta was a species of air-breathing tropical land snail, a terrestrial pulmonate gastropod mollusk in the family Partulidae. This species was endemic to French Polynesia. It is now extinct.-References:...

    Extinction
    In biology and ecology, extinction is the end of an organism or of a group of organisms , normally a species. The moment of extinction is generally considered to be the death of the last individual of the species, although the capacity to breed and recover may have been lost before this point...

  • Partula crassilabris
    Partula crassilabris
    †Partula crassilabris was a species of air-breathing tropical land snail, a terrestrial pulmonate gastropod mollusk in the family Partulidae. This species was endemic to French Polynesia. It is now extinct.-References:...

    Extinction
    In biology and ecology, extinction is the end of an organism or of a group of organisms , normally a species. The moment of extinction is generally considered to be the death of the last individual of the species, although the capacity to breed and recover may have been lost before this point...

  • Partula cuneata
    Partula cuneata
    †Partula cuneata was a species of air-breathing tropical land snail, a terrestrial pulmonate gastropod mollusk in the family Partulidae. This species was endemic to French Polynesia. It is now extinct.-References:...

    Extinction
    In biology and ecology, extinction is the end of an organism or of a group of organisms , normally a species. The moment of extinction is generally considered to be the death of the last individual of the species, although the capacity to breed and recover may have been lost before this point...

  • Partula cytherea
    Partula cytherea
    †Partula cytherea was a species of air-breathing tropical land snail, a terrestrial pulmonate gastropod mollusk in the family Partulidae. This species was endemic to French Polynesia. It is now extinct.-References:...

    Extinction
    In biology and ecology, extinction is the end of an organism or of a group of organisms , normally a species. The moment of extinction is generally considered to be the death of the last individual of the species, although the capacity to breed and recover may have been lost before this point...

  • Partula dentifera
    Partula dentifera
    Partula dentifera is a species of air-breathing tropical land snail, a terrestrial pulmonate gastropod mollusk in the family Partulidae. This species was endemic to French Polynesia. It is now extinct in the wild....

  • Partula dolichostoma
    Partula dolichostoma
    †Partula dolichostoma was a species of air-breathing tropical land snail, a terrestrial pulmonate gastropod mollusk in the family Partulidae. This species was endemic to French Polynesia. It is now extinct.-References:...

    Extinction
    In biology and ecology, extinction is the end of an organism or of a group of organisms , normally a species. The moment of extinction is generally considered to be the death of the last individual of the species, although the capacity to breed and recover may have been lost before this point...

  • Partula dolorosa
    Partula dolorosa
    †Partula dolorosa was a species of air-breathing tropical land snail, a terrestrial pulmonate gastropod mollusk in the family Partulidae. This species was endemic to French Polynesia. It is now extinct.-References:...

    Extinction
    In biology and ecology, extinction is the end of an organism or of a group of organisms , normally a species. The moment of extinction is generally considered to be the death of the last individual of the species, although the capacity to breed and recover may have been lost before this point...

  • Partula emersoni
    Partula emersoni
    Partula emersoni is a species of air-breathing tropical land snail, a terrestrial pulmonate gastropod mollusk in the family Partulidae. This species is endemic to Micronesia.-References:...

  • Partula eremita
    Partula eremita
    †Partula eremita was a species of air-breathing tropical land snail, a terrestrial pulmonate gastropod mollusk in the family Partulidae. This species was endemic to French Polynesia. It is now extinct.-References:...

    Extinction
    In biology and ecology, extinction is the end of an organism or of a group of organisms , normally a species. The moment of extinction is generally considered to be the death of the last individual of the species, although the capacity to breed and recover may have been lost before this point...

  • Partula exigua
    Partula exigua
    Partula exigua, common name the Moorean viviparous tree snail, was a species of air-breathing tropical land snail, a terrestrial pulmonate gastropod mollusk in the family Partulidae. This species was endemic to French Polynesia. It is now extinct....

    Extinction
    In biology and ecology, extinction is the end of an organism or of a group of organisms , normally a species. The moment of extinction is generally considered to be the death of the last individual of the species, although the capacity to breed and recover may have been lost before this point...

  • Partula faba
    Partula faba
    Partula faba is a species of air-breathing tropical land snail, a terrestrial pulmonate gastropod mollusk in the family Partulidae. This species was endemic to French Polynesia. It is now extinct in the wild .-In captivity:UK zoos are now fighting to save this species from extinction...

  • Partula filosa
    Partula filosa
    Partula filosa is a species of air-breathing tropical land snail, a terrestrial pulmonate gastropod mollusk in the family Partulidae. This species is endemic to French Polynesia.-References:...

  • Partula formosa
    Partula formosa
    †Partula formosa was a species of air-breathing tropical land snail, a terrestrial pulmonate gastropod mollusk in the family Partulidae. This species was endemic to French Polynesia. It is now extinct.-References:...

    Extinction
    In biology and ecology, extinction is the end of an organism or of a group of organisms , normally a species. The moment of extinction is generally considered to be the death of the last individual of the species, although the capacity to breed and recover may have been lost before this point...

  • Partula fusea
    Partula fusea
    †Partula fusea was a species of air-breathing tropical land snail, a terrestrial pulmonate gastropod mollusk in the family Partulidae. This species was endemic to French Polynesia. It is now extinct.-References:...

    Extinction
    In biology and ecology, extinction is the end of an organism or of a group of organisms , normally a species. The moment of extinction is generally considered to be the death of the last individual of the species, although the capacity to breed and recover may have been lost before this point...

  • Partula garretti
    Partula garretti
    †Partula garretti was a species of air-breathing tropical land snail, a terrestrial pulmonate gastropod mollusk in the family Partulidae. This species was endemic to French Polynesia. It is now extinct.-References:...


  • Partula gibba
  • Partula guamensis
    Partula guamensis
    Partula guamensis is a species of air-breathing tropical land snail, a terrestrial pulmonate gastropod mollusk in the family Partulidae. This species is endemic to Micronesia.-References:...

  • Partula hebe
    Partula hebe
    Partula hebe is a species of air-breathing tropical land snail, a terrestrial pulmonate gastropod mollusk in the family Partulidae. This species was endemic to French Polynesia. It is now extinct in the wild....

  • Partula hyalina
    Partula hyalina
    Partula hyalina is a species of air-breathing tropical land snail, a terrestrial pulmonate gastropod mollusk in the family Partulidae. This species is endemic to French Polynesia.-References:...

  • Partula imperforata
    Partula imperforata
    †Partula imperforata was a species of air-breathing tropical land snail, a terrestrial pulmonate gastropod mollusk in the family Partulidae. This species was endemic to French Polynesia. It is now extinct.-References:...

    Extinction
    In biology and ecology, extinction is the end of an organism or of a group of organisms , normally a species. The moment of extinction is generally considered to be the death of the last individual of the species, although the capacity to breed and recover may have been lost before this point...

  • Partula labrusca
    Partula labrusca
    Partula labrusca, was a species of air-breathing land snail, a terrestrial pulmonate gastropod mollusk in the Partulidae family. This species was endemic in Raiatea, the Society Islands of French Polynesia.- Extinction :...

    Extinction
    In biology and ecology, extinction is the end of an organism or of a group of organisms , normally a species. The moment of extinction is generally considered to be the death of the last individual of the species, although the capacity to breed and recover may have been lost before this point...

  • Partula langfordi
    Partula langfordi
    Partula langfordi is a species of gastropod in the Partulidae family. It is endemic to Northern Mariana Islands....

  • Partula leptochila
    Partula leptochila
    †Partula leptochila was a species of air-breathing tropical land snail, a terrestrial pulmonate gastropod mollusk in the family Partulidae. This species was endemic to French Polynesia. It is now extinct.-References:...

    Extinction
    In biology and ecology, extinction is the end of an organism or of a group of organisms , normally a species. The moment of extinction is generally considered to be the death of the last individual of the species, although the capacity to breed and recover may have been lost before this point...

  • Partula leucothoe
    Partula leucothoe
    Partula leucothoe is a species of air-breathing tropical land snail, a terrestrial pulmonate gastropod mollusk in the family Partulidae. This species is endemic to Palau.-References:* Mollusc Specialist Group 1996. . Downloaded on 7 August 2007....

  • Partula levilineata
    Partula levilineata
    †Partula levilineata was a species of air-breathing tropical land snail, a terrestrial pulmonate gastropod mollusk in the family Partulidae. This species was endemic to French Polynesia. It is now extinct.-References:...

    Extinction
    In biology and ecology, extinction is the end of an organism or of a group of organisms , normally a species. The moment of extinction is generally considered to be the death of the last individual of the species, although the capacity to breed and recover may have been lost before this point...

  • Partula levistriata
    Partula levistriata
    Partula levistriata was a species of gastropod in the Partulidae family. It was endemic to French Polynesia.-Source:* Mollusc Specialist Group 1996. . Downloaded on 7 August 2007....

    Extinction
    In biology and ecology, extinction is the end of an organism or of a group of organisms , normally a species. The moment of extinction is generally considered to be the death of the last individual of the species, although the capacity to breed and recover may have been lost before this point...

  • Partula lutea
    Partula lutea
    †Partula lutea was a species of air-breathing tropical land snail, a terrestrial pulmonate gastropod mollusk in the family Partulidae. This species was endemic to French Polynesia. It is now extinct.-References:...

    Extinction
    In biology and ecology, extinction is the end of an organism or of a group of organisms , normally a species. The moment of extinction is generally considered to be the death of the last individual of the species, although the capacity to breed and recover may have been lost before this point...

  • Partula martensiana
    Partula martensiana
    Partula martensiana is a species of air-breathing tropical land snail, a terrestrial pulmonate gastropod mollusk in the family Partulidae. This species is endemic to Micronesia.-References:...

  • Partula microstoma
    Partula microstoma
    †Partula microstoma was a species of air-breathing tropical land snail, a terrestrial pulmonate gastropod mollusk in the family Partulidae. This species was endemic to French Polynesia. It is now extinct.-References:...

    Extinction
    In biology and ecology, extinction is the end of an organism or of a group of organisms , normally a species. The moment of extinction is generally considered to be the death of the last individual of the species, although the capacity to breed and recover may have been lost before this point...


  • Partula mirabilis
    Partula mirabilis
    The Moorean viviparous tree snail, scientific name Partula mirabilis is a species of air-breathing tropical land snail, a terrestrial pulmonate gastropod mollusk in the family Partulidae. This species was endemic to French Polynesia. It is now extinct in the wild.- Subspecies :Subspecies of this...

  • Partula mooreana
    Partula mooreana
    The moorean viviparous tree snail was a species of gastropod in the Partulidae family. It was endemic to French Polynesia.- Original description :...

  • Partula nodosa
    Partula nodosa
    †Partula nodosa is a species of air-breathing tropical land snail, a terrestrial pulmonate gastropod mollusk in the family Partulidae. This species was endemic to French Polynesia. It is now extinct in the wild....

  • Partula otaheitana
    Partula otaheitana
    Partula otaheitana is a species of air-breathing tropical land snail, a terrestrial pulmonate gastropod mollusk in the family Partulidae. This species is endemic too French Polynesia.-References:...

  • Partula planilabrum
    Partula planilabrum
    †Partula planilabrum as a species of air-breathing tropical land snail, a terrestrial pulmonate gastropod mollusk in the family Partulidae. This species was endemic to French Polynesia. It is now extinct.-References:...

    Extinction
    In biology and ecology, extinction is the end of an organism or of a group of organisms , normally a species. The moment of extinction is generally considered to be the death of the last individual of the species, although the capacity to breed and recover may have been lost before this point...

  • Partula producta
    Partula producta
    †Partula producta was a species of air-breathing tropical land snail, a terrestrial pulmonate gastropod mollusk in the family Partulidae. This species was endemic to French Polynesia. It is now extinct.-References:...

    Extinction
    In biology and ecology, extinction is the end of an organism or of a group of organisms , normally a species. The moment of extinction is generally considered to be the death of the last individual of the species, although the capacity to breed and recover may have been lost before this point...

  • Partula protea
    Partula protea
    †Partula protea was a species of air-breathing tropical land snail, a terrestrial pulmonate gastropod mollusk in the family Partulidae. This species was endemic to French Polynesia. It is now extinct.-References:...

    Extinction
    In biology and ecology, extinction is the end of an organism or of a group of organisms , normally a species. The moment of extinction is generally considered to be the death of the last individual of the species, although the capacity to breed and recover may have been lost before this point...

  • Partula protracta
    Partula protracta
    †Partula protracta was a species of air-breathing tropical land snail, a terrestrial pulmonate gastropod mollusk in the family Partulidae. This species was endemic to French Polynesia. It is now extinct.-References:...

    Extinction
    In biology and ecology, extinction is the end of an organism or of a group of organisms , normally a species. The moment of extinction is generally considered to be the death of the last individual of the species, although the capacity to breed and recover may have been lost before this point...

  • Partula radiata
    Partula radiata
    †Partula radiata was a species of air-breathing tropical land snail, a terrestrial pulmonate gastropod mollusk in the family Partulidae. This species was endemic to French Polynesia. It is now extinct.-References:...

    Extinction
    In biology and ecology, extinction is the end of an organism or of a group of organisms , normally a species. The moment of extinction is generally considered to be the death of the last individual of the species, although the capacity to breed and recover may have been lost before this point...

  • Partula radiolata
  • Partula raiatensis
    Partula raiatensis
    †'Partula raiatensis was a species of air-breathing tropical land snail, a terrestrial pulmonate gastropod mollusk in the family Partulidae. This species was endemic to French Polynesia. It is now extinct.-References:...

    Extinction
    In biology and ecology, extinction is the end of an organism or of a group of organisms , normally a species. The moment of extinction is generally considered to be the death of the last individual of the species, although the capacity to breed and recover may have been lost before this point...

  • Partula remota
    Partula remota
    †Partula remota was a species of air-breathing tropical land snail, a terrestrial pulmonate gastropod mollusk in the family Partulidae. This species was endemic to French Polynesia. It is now extinct.-References:...

    Extinction
    In biology and ecology, extinction is the end of an organism or of a group of organisms , normally a species. The moment of extinction is generally considered to be the death of the last individual of the species, although the capacity to breed and recover may have been lost before this point...

  • Partula robusta
    Partula robusta
    †Partula robusta was a species of air-breathing tropical land snail, a terrestrial pulmonate gastropod mollusk in the family Partulidae. This species was endemic to French Polynesia. It is now extinct.-References:...

    Extinction
    In biology and ecology, extinction is the end of an organism or of a group of organisms , normally a species. The moment of extinction is generally considered to be the death of the last individual of the species, although the capacity to breed and recover may have been lost before this point...

  • Partula rosea
    Partula rosea
    Partula rosea is a species of air-breathing tropical land snail, a terrestrial pulmonate gastropod mollusk in the family Partulidae. This species is endemic to French Polynesia. It is extinct in the wild, only existing in captivity....

  • Partula rustica
    Partula rustica
    †Partula rustica was a species of air-breathing tropical land snail, a terrestrial pulmonate gastropod mollusk in the family Partulidae. This species was endemic to French Polynesia. It is now extinct.-References:...

    Extinction
    In biology and ecology, extinction is the end of an organism or of a group of organisms , normally a species. The moment of extinction is generally considered to be the death of the last individual of the species, although the capacity to breed and recover may have been lost before this point...


  • Partula sagitta
    Partula sagitta
    †Partula sagitta was a species of air-breathing tropical land snail, a terrestrial pulmonate gastropod mollusk in the family Partulidae. This species was endemic to French Polynesia. It is now extinct.-Source:...

    Extinction
    In biology and ecology, extinction is the end of an organism or of a group of organisms , normally a species. The moment of extinction is generally considered to be the death of the last individual of the species, although the capacity to breed and recover may have been lost before this point...

  • Partula salifana
    Extinction
    In biology and ecology, extinction is the end of an organism or of a group of organisms , normally a species. The moment of extinction is generally considered to be the death of the last individual of the species, although the capacity to breed and recover may have been lost before this point...

  • Partula salifera
    Partula salifera
    †Partula salifera was a species of air-breathing tropical land snail, a terrestrial pulmonate gastropod mollusk in the family Partulidae. This species was previously found in Northern Mariana Islands and possibly Guam. It is now extinct.-References:...

    Extinction
    In biology and ecology, extinction is the end of an organism or of a group of organisms , normally a species. The moment of extinction is generally considered to be the death of the last individual of the species, although the capacity to breed and recover may have been lost before this point...

  • Partula suturalis
    Partula suturalis
    Partula suturalis, common name the moorean viviparous tree snail or sutural partula, is a species of air-breathing tropical land snail, a terrestrial pulmonate gastropod mollusk in the family Partulidae. This species is endemic to French Polynesia. It is now extinct in the wild...

  • Partula taeniata
    Partula taeniata
    The Moorean viviparous tree snail Partula taeniata is a species of gastropod in the Partulidae family. It is endemic to French Polynesia....

  • Partula thalia
    Partula thalia
    †Partula thalia was a species of air-breathing tropical land snail, a terrestrial pulmonate gastropod mollusk in the family Partulidae. This species was endemic to French Polynesia. It is now extinct.-Source:...

    Extinction
    In biology and ecology, extinction is the end of an organism or of a group of organisms , normally a species. The moment of extinction is generally considered to be the death of the last individual of the species, although the capacity to breed and recover may have been lost before this point...

  • Partula thetis
    Partula thetis
    Partula thetis is a species of air-breathing tropical land snail, a terrestrial pulmonate gastropod mollusk in the family Partulidae. This species is endemic to Palau.-Source:* Mollusc Specialist Group 1996. . Downloaded on 7 August 2007....

  • Partula tohiveana
    Partula tohiveana
    Partula tohiveana, common name the moorean viviparous tree snail, is a species of air-breathing tropical land snail, a terrestrial pulmonate gastropod mollusk in the family Partulidae. This species is endemic to French Polynesia. It is now extinct in the wild....

  • Partula tristis
    Partula tristis
    Partula tristis was a species of air-breathing tropical land snail, a terrestrial pulmonate gastropod mollusk in the family Partulidae. This species was endemic to French Polynesia. It is now extinct in the wild.-Source:...

  • Partula turgida
    Partula turgida
    †Partula turgida was a species of air-breathing tropical land snail, a terrestrial pulmonate gastropod mollusk in the family Partulidae. This species was endemic to French Polynesia. It died out in 1996, and is now extinct. P. turgida was being kept alive in captivity, when the population suffered...

    Extinction
    In biology and ecology, extinction is the end of an organism or of a group of organisms , normally a species. The moment of extinction is generally considered to be the death of the last individual of the species, although the capacity to breed and recover may have been lost before this point...

  • Partula umbilicata
    Partula umbilicata
    †Partula umbilicata was a species of air-breathing tropical land snail, a terrestrial pulmonate gastropod mollusk in the family Partulidae. This species was endemic to French Polynesia. It is now extinct.-Source:...

    Extinction
    In biology and ecology, extinction is the end of an organism or of a group of organisms , normally a species. The moment of extinction is generally considered to be the death of the last individual of the species, although the capacity to breed and recover may have been lost before this point...

  • Partula varia
    Partula varia
    Partula varia is a species of air-breathing tropical land snail, a terrestrial pulmonate gastropod mollusk in the family Partulidae. This species is endemic to French Polynesia. It is now extinct in the wild.-References:...

  • Partula variabilis
    Partula variabilis
    †Partula variabilis was a species of air-breathing tropical land snail, a terrestrial pulmonate gastropod mollusk in the family Partulidae. This species was endemic to French Polynesia. It is now extinct.-Source:...

    Extinction
    In biology and ecology, extinction is the end of an organism or of a group of organisms , normally a species. The moment of extinction is generally considered to be the death of the last individual of the species, although the capacity to breed and recover may have been lost before this point...

  • Partula vittata
    Partula vittata
    †Partula vittata was a species of air-breathing tropical land snail, a terrestrial pulmonate gastropod mollusk in the family Partulidae. This species was endemic to French Polynesia. It is now extinct.-Source:...

    Extinction
    In biology and ecology, extinction is the end of an organism or of a group of organisms , normally a species. The moment of extinction is generally considered to be the death of the last individual of the species, although the capacity to breed and recover may have been lost before this point...


A cladogram
Cladogram
A cladogram is a diagram used in cladistics which shows ancestral relations between organisms, to represent the evolutionary tree of life. Although traditionally such cladograms were generated largely on the basis of morphological characters, DNA and RNA sequencing data and computational...

 showing phylogenic relations of Partula:

Ecology

Partula species on Tahiti were usually found on the undersides of the leaves of Caladium
Caladium
Caladium is a genus of flowering plants in the family Araceae. They are often known by the common name elephant ear , Heart of Jesus, and Angel Wings...

and plantain
Plantain
Plantain is the common name for herbaceous plants of the genus Musa. The fruit they produce is generally used for cooking, in contrast to the soft, sweet banana...

, although in some valleys they were frequently found on Dracaena
Dracaena (plant)
Dracaena is a genus of about 40 species of trees and succulent shrubs. In the APG III classification system, it is placed in the family Asparagaceae, subfamily Nolinoideae . It has also formerly been separated into the family Dracaenaceae or placed in the Agavaceae...

and turmeric
Turmeric
Turmeric is a rhizomatous herbaceous perennial plant of the ginger family, Zingiberaceae. It is native to tropical South Asia and needs temperatures between 20 °C and 30 °C and a considerable amount of annual rainfall to thrive...

.

Further reading

  • Crampton H. E.
    Henry Crampton
    Henry Edward Crampton was an American paleontologist and evolutionary biologist, who specialized in the study of land snails. Crampton made twelve separate expeditions over the course of his career to Moorea near Tahiti to study the land snail genus Partula, while years more were spent measuring...

     (1916). Studies on the variation, distribution and evolution of the genus Partula. The species inhabiting Tahiti. Carnegie Institution of Washington, 228: 1-311.
  • Crampton H. E. (1925). Studies on the variation, distribution and evolution of the genus Partula. The species of the Mariana Islands, Guam and Saipan. Carnegie Institution of Washington, 228a: 1-116.
  • Crampton H. E. (1932). Studies on the variation, distribution and evolution of the genus Partula. The species inhabiting Moorea. Carnegie Institution of Washington, 410: 1-335.
  • Lee T., Burch J. B., Jung Y., Coote T., Pearce-Kelly P., Ó Foighil D. (2007). "Tahitian tree snail mitochondrial clades survived recent mass-extirpation". Current Biology
    Current Biology
    Current Biology is a scientific journal that covers all areas of biology, especially molecular biology, cell biology, genetics, neurobiology, ecology and evolutionary biology. The journal is published twice a month and includes peer-reviewed research articles, various types of review articles, as...

    17(13): R502-R503. , doi:10.1016/j.cub.2007.05.006.
The source of this article is wikipedia, the free encyclopedia.  The text of this article is licensed under the GFDL.
 
x
OK