''Amphidromus inversus'' 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 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

Camaenidae Camaenidae is a family of air-breathing land snails, terrestrial pulmonate gastropod mollusks in the superfamily Helicoidea, the typical snails and their allies. This is one of the most diverse families in the clade Stylommatophora. Thes ...

. MolluscaBase eds. (2020). MolluscaBase. Amphidromus inversus (O. F. Müller, 1774). Accessed through: World Register of Marine Species at: http://www.marinespecies.org/aphia.php?p=taxdetails&id=1245795 on 2020-05-17 Like most members of the subgenus ''Amphidromus'', it is chirally dimorphic: within the same populations, both dextral (clockwise-coiled) and sinistral (anticlockwise-coiled) individuals co-exist. This is one of the very few cases of genetic

antisymmetry In linguistics, antisymmetry is a syntactic theory presented in Richard S. Kayne's 1994 monograph ''The Antisymmetry of Syntax''. It asserts that grammatical hierarchies in natural language follow a universal order, namely specifier-head-complem ...

known in nature. Among the subgenus ''Amphidromus'', ''A. inversus'' stands out because since c. 2004, it has been the focus of studies aimed at understanding the evolution of chiral dimorphism. Most of these studies have taken place on the Malaysian island of Kapas.

Subspecies

* ''Amphidromus inversus andamensis'' (L. Pfeiffer, 1871) * ''Amphidromus inversus annamiticus'' (Crosse & P. Fischer, 1863) * ''Amphidromus inversus koperbergi'' Laidlaw & Solem, 1961

Distribution

Sumatra, Peninsular Malaysia, Thailand

Description

Amphidromus inversus (Müller, 1774) (4248353502)

Ecology

Schilthuizen et al. (2005) described spatial structure of population of ''Amphidromus inversus'' in Malaysia.

References

External links