Atopos Australis
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''Atopos'' is a genus of carnivorous air-breathing
land slug Slug, or land slug, is a common name for any apparently shell-less terrestrial gastropod mollusc. The word ''slug'' is also often used as part of the common name of any gastropod mollusc that has no shell, a very reduced shell, or only a sma ...
s,
terrestrial Terrestrial refers to things related to land or the planet Earth, as opposed to extraterrestrial. 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 o ...
pulmonate Pulmonata or pulmonates is an informal group (previously an order, and before that, a subclass) of snails and slugs characterized by the ability to breathe air, by virtue of having a pallial lung instead of a gill, or gills. The group inclu ...
gastropod Gastropods (), commonly known as slugs and snails, belong to a large Taxonomy (biology), taxonomic class of invertebrates within the phylum Mollusca called Gastropoda (). This class comprises snails and slugs from saltwater, freshwater, and fro ...
mollusk Mollusca is a phylum of protostomic invertebrate animals, whose members are known as molluscs or mollusks (). Around 76,000  extant species of molluscs are recognized, making it the second-largest animal phylum after Arthropoda. The ...
s in the family
Rathouisiidae Rathouisiidae is a family of carnivorous air-breathing land slugs, terrestrial pulmonate gastropod molluscs in the superfamily Veronicelloidea, the leatherleaf slugs and their allies. This family has no subfamilies according to the ''Taxonomy o ...
.


Species

Species within the genus ''Atopos'' include: * ''Atopos aborense'' (Ghosh, 1913) *''
Atopos australis ''Atopos'' is a genus of carnivorous air-breathing land slugs, Terrestrial molluscs, terrestrial pulmonate gastropod mollusks in the family Rathouisiidae. Species Species within the genus ''Atopos'' include: * ''Atopos aborense'' (Ghosh, 1913) ...
'' Heynemann, 1876 *''Atopos cristagalli'' P. Sarasin & F. Sarasin, 1899 *''Atopos galeatus'' Simroth, 1920 *''Atopos harmeri'' Collinge, 1902 * ''
Atopos kempii ''Atopos'' is a genus of carnivorous air-breathing land slugs, terrestrial pulmonate gastropod mollusks in the family Rathouisiidae. Species Species within the genus ''Atopos'' include: * ''Atopos aborense'' (Ghosh, 1913) *''Atopos australis ...
'' Ghose, 1913Liew T.-S. & Schilthuizen M. (2014). "Association between shell morphology of micro-land snails (genus ''Plectostoma'') and their predator’s predatory behaviour". ''PeerJ'' 2: e329. . *''Atopos leuckarti'' Simroth, 1891 * ''
Atopos laidlawi ''Atopos'' is a genus of carnivorous air-breathing land slugs, terrestrial pulmonate gastropod mollusks in the family Rathouisiidae. Species Species within the genus ''Atopos'' include: * ''Atopos aborense'' (Ghosh, 1913) *''Atopos australis' ...
'' Collinge, 1902 * ''
Atopos maximus ''Atopos'' is a genus of carnivorous air-breathing land slugs, terrestrial pulmonate gastropod mollusks in the family Rathouisiidae. Species Species within the genus ''Atopos'' include: * ''Atopos aborense'' (Ghosh, 1913) *''Atopos australis' ...
'' Collinge 1903 * ''
Atopos ouwensi ''Atopos'' is a genus of carnivorous air-breathing land slugs, terrestrial pulmonate gastropod mollusks in the family Rathouisiidae. Species Species within the genus ''Atopos'' include: * ''Atopos aborense'' (Ghosh, 1913) *''Atopos australis' ...
'' Collinge, 1908 * ''
Atopos prismatica ''Atopos'' is a genus of carnivorous air-breathing land slugs, terrestrial pulmonate gastropod mollusks in the family Rathouisiidae. Species Species within the genus ''Atopos'' include: * ''Atopos aborense'' (Ghosh, 1913) *''Atopos australis' ...
'' Tapparone-Canefri, 1883 *''Atopos pristis'' P. Sarasin & F. Sarasin, 1899 * ''
Atopos punctata ''Atopos'' is a genus of carnivorous air-breathing land slugs, terrestrial pulmonate gastropod mollusks in the family Rathouisiidae. Species Species within the genus ''Atopos'' include: * ''Atopos aborense'' (Ghosh, 1913) *''Atopos australis' ...
'' Collinge, 1902 * ''
Atopos rugosus ''Atopos'' is a genus of carnivorous air-breathing land slugs, terrestrial pulmonate gastropod mollusks in the family Rathouisiidae. Species Species within the genus ''Atopos'' include: * ''Atopos aborense'' (Ghosh, 1913) *''Atopos australis' ...
'' Collinge, 1902 *''Atopos sanguinolentus'' Ghosh, 1912 * ''
Atopos sarasini ''Atopos'' is a genus of carnivorous air-breathing land slugs, terrestrial pulmonate gastropod mollusks in the family Rathouisiidae. Species Species within the genus ''Atopos'' include: * ''Atopos aborense'' (Ghosh, 1913) *''Atopos australis' ...
'' Collinge 1902 Laidlaw F. F. (1940). "Notes on some specimens of the genus ''Atopos'' (Mollusca Pulmonata) with microphotographs illustrating points in the anatomy of the genus". ''
The Bulletin of the Raffles Museum ''The Raffles Bulletin of Zoology'' is a peer-reviewed open-access scientific journal published by the Lee Kong Chian Natural History Museum at the National University of Singapore. Overview It covers the taxonomy, ecology, and conservation of ...
'' 16: 121-132
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*''Atopos schildii'' Babor, 1900 *''Atopos scutulatus'' P. Sarasin & F. Sarasin, 1899 * ''
Atopos semperi ''Atopos'' is a genus of carnivorous air-breathing land slugs, terrestrial pulmonate gastropod mollusks in the family Rathouisiidae. Species Species within the genus ''Atopos'' include: * ''Atopos aborense'' (Ghosh, 1913) *''Atopos australis' ...
'' Simroth, 1891 *''Atopos simrothi'' P. Sarasin & F. Sarasin, 1899 *''Atopos smithi'' (Collinge, 1902) *''Atopos strubelli'' Simroth, 1891 *''Atopos tourannensis'' (Eydoux & Souleyet, 1852) Synonyms: * ''Atopos leonina'' (Heude, 1882) is a synonym of ''
Rathouisia leonina ''Rathouisia leonina'' is a species of carnivorous air-breathing land slug, a terrestrial pulmonate gastropod mollusc in the family Rathouisiidae. This species is endemic to China. This slug is carnivorous and actively preys on snails. It is us ...
'' Heude, 1882


Distribution

The predatory carnivorous slugs in the genus ''Atopos'' are found in peninsular Malaysia, Sumatra, Borneo, New Guinea, northeast Australia and, recently, Singapore.


Feeding habits

Bornean ''Atopos'' specialising in ''
Opisthostoma ''Opisthostoma'' is a genus of minute land snails with opercula, terrestrial gastropod mollusks or micromollusks in the family Diplommatinidae. Species Species in the genus ''Opisthostoma'' include: ''Opisthostoma'' sensu stricto ;Synonyms: ...
'' are known to tailor their approach to the size of the prey. They hold small snails with the shells aperture-upward with the front of its foot and eat their way down. Larger ones scrape away the shell to allow access through the spire. This behaviour is thought to drive the evolution of shell ornamentation in ''Opisthostoma''.Tan S. K. & Chan S-Y. (2009). "New records of predatory slugs from Singapore with notes on their feeding behaviour". ''Nature in Singapore'' 2: 1-7
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References


External links


photo of predating by ''Atopos''
(figure b) {{Taxonbar, from=Q3693707