Leiostyla gibba
Encyclopedia
Leiostyla gibba is an extinct species of small air-breathing land snail
, a terrestrial
pulmonate gastropod mollusk in the family Lauriidae
.
It is mentioned in annexes II and IV of Habitats Directive.
It is sometimes referred as madeiran land snail
.
Leiostyla gibba was listed as Critically endangered in the 1996 IUCN Red List
, but it is considered to be extinct.
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...
, a 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 mollusk in the family Lauriidae
Lauriidae
Lauriidae is a family of air-breathing land snails, terrestrial pulmonate gastropod mollusks.- Taxonomy :The Lauriidae family is classified within the informal group Orthurethra, itself belonging to the clade Stylommatophora within the clade Eupulmonata .The family Lauriidae has no...
.
It is mentioned in annexes II and IV of Habitats Directive.
It is sometimes referred as madeiran land snail
Madeiran land snail
Madeiran land snail is a common name which has been given to several different species of terrestrial gastropods, air-breathing land snails:* Geomitra moniziana* Leiostyla abbreviata* Leiostyla cassida* Leiostyla corneocostata...
.
Leiostyla gibba was listed as Critically endangered in the 1996 IUCN Red List
IUCN Red List
The IUCN Red List of Threatened Species , founded in 1963, is the world's most comprehensive inventory of the global conservation status of biological species. The International Union for Conservation of Nature is the world's main authority on the conservation status of species...
, but it is considered to be extinct.
Distribution
This species was endemic to Madeira, Portugal.External links
- Council of EuropeCouncil of EuropeThe Council of Europe is an international organisation promoting co-operation between all countries of Europe in the areas of legal standards, human rights, democratic development, the rule of law and cultural co-operation...
. (1996). Background Information on Invertebrates of the Habitats Directive, volume 3. page 454-456.