Eua expansa
Encyclopedia
Eua expansa is a species
of tropical air-breathing land snail
, a terrestrial
pulmonate gastropod mollusk in the family Partulidae
.
The following cladogram
shows the phylogenic relations of Eua expansa:
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 tropical 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 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....
.
The following 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...
shows the phylogenic relations of Eua expansa: