Mariaella dussumieri

Mariaella dussumieri
Mariaella dussumieri
Drawing of the internal shell of Mariaella dussumieri.
Scientific classification
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
(unranked): clade Heterobranchia

clade Euthyneura
clade Panpulmonata
clade Eupulmonata
clade Stylommatophora
clade Sigmurethra
clade limacoid clade

Superfamily: Helicarionoidea
Family: Ariophantidae
Genus: Mariaella
Species: M. dussumieri
Binomial name
Mariaella dussumieri
Gray, 1855[1]

Mariaella dussumieri is a species of air-breathing land slug, a terrestrial pulmonate gastropod mollusk in the family Ariophantidae.

A slug from the Western Ghats of India. The species is tentatively identified as Mariaella dussumieri.

Mariaella dussumieri is the type species of the genus Mariaella.

Its specific name is in honor of French merchant Jean-Jacques Dussumier.



This species lives in India. It is endemic to Karnataka.[2]

The Western Ghats as far north as the Kadur district of Mysore and perhaps to Mahableshwar. Hill-tracts of Ceylon.[3][unreliable source?]

The type locality was Mahé, India, a small town between Calicut and Cannanore on the Malabar coast.[3]

This species has not yet become established in the USA, but it is considered to represent a potentially serious threat as a pest, an invasive species which could negatively effect agriculture, natural ecosystems, human health or commerce. Therefore it has been suggested that this species be given top national quarantine significance in the USA.[4]

Shell description

The internal shell in general thin, slightly convex, ovate and white. The apex of the shell is forming a small point at the right side and near the posterior end. The shell is not involute.[3]


The color of the animal is yellowish brown or olivaceous, sometimes almost black, and generally mottled with dark blotches.[3]

The mantle has two narrow raised ridges on the shell-lobes, one running from the little shell-aperture round the left margin of the shell, the other towards the respiratory orifice on the right margin.[3]

The size appears to vary up to about 8 inches (200 mm) in length.[3]

Teeth of radula in one specimen were (111.1.111), in another (115.1.115).[3]


The article incorporates public domain text from the reference.[3]

  1. ^ Gray. 1855. Cat. Pulm. B. M., page 63.
  2. ^ Mavinkurve R. G., Shanbhag S. P. & Madhyastha N. A. 2004. Checklist of terrestrial gastropods of Karnataka, India. Zoos' Print Journal 19(11):1684-1686.
  3. ^ a b c d e f g h Blanford W. T. & Godwin-Austen H. H. 1908. The Fauna of British India, Including Ceylon and Burma. Mollusca. Testacellidae and Zonitidae. Taylor & Francis, London, page 204-206.
  4. ^ Cowie R. H., Dillon R. T., Robinson D. G. & Smith J. W. (2009). "Alien non-marine snails and slugs of priority quarantine importance in the United States: A preliminary risk assessment". American Malacological Bulletin 27: 113-132. PDF.

External links

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