Boninena callistoderma
Encyclopedia
Boninena callistoderma is a species
of air-breathing land snail
, a terrestrial
pulmonate gastropod mollusk in the family Enidae
.
This species is currently only endemic to Haha-jima
and Ane-jima in the Ogasawara Islands
(Japan), having been extirpated from other parts of this archipelago
.
Species
In biology, a species is one of the basic units of biological classification and a taxonomic rank. A species is often defined as a group of organisms capable of interbreeding and producing fertile offspring. While in many cases this definition is adequate, more precise or differing measures are...
of air-breathing 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...
, 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 Enidae
Enidae
Enidae is a family of air-breathing land snails, terrestrial pulmonate gastropod mollusks.- Anatomy :In this family, the number of haploid chromosomes lies between 21 and 25 .- 1998 taxonomy :...
.
This species is currently only endemic to Haha-jima
Haha-jima
is the second-largest island of the Ogasawara Islands or Bonin Islands south of the Japanese main island chain. It is about 21 km² in area.The highest points are Mt. Chibusa , approximately 462m, and Mt. Sakaigatake , 443m. The largest island of the group, Chichi-jima is approximately...
and Ane-jima in the Ogasawara Islands
Ogasawara Islands
The Bonin Islands, known in Japan as the are an archipelago of over 30 subtropical and tropical islands, some directly south of Tokyo, Japan. Administratively, they are part of Ogasawara Municipality of Ogasawara Subprefecture, Tokyo...
(Japan), having been extirpated from other parts of this archipelago
Archipelago
An archipelago , sometimes called an island group, is a chain or cluster of islands. The word archipelago is derived from the Greek ἄρχι- – arkhi- and πέλαγος – pélagos through the Italian arcipelago...
.