Huttonella bicolor

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Huttonella bicolor
Huttonella bicolor shell.png
Scientific classification
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
(unranked): clade Heterobranchia

clade Euthyneura
clade Panpulmonata
clade Eupulmonata
clade Stylommatophora
informal group Sigmurethra

Superfamily: Streptaxoidea
Family: Streptaxidae
Subfamily: Ptychotrematinae
Genus: Huttonella
Species: H. bicolor
Binomial name
Huttonella bicolor
(Hutton, 1834)[1]
Synonyms

Gullela bicolor

Huttonella bicolor is a species of land snail in the family Streptaxidae known commonly as the two-toned gulella.[2]

Distribution[edit]

The original native range of the snail is unclear, but it may have come from Asia or southern Africa.[2] Today it has a broader distribution, having been widely introduced to other regions. It is known in the Caribbean, the southeastern United States, Central and South America, some Pacific Islands, and the Northern Territory in Australia.[2]

Recent records include:

Description[edit]

The snail has an elongated shell up to 7.5 millimeters long by 2 millimeters wide. In life the shell is orange because the orange color of the body shows through; empty shells are white or pale brown. The shell is smooth with slight ribs at the sutures and larger ribs at the aperture. The aperture also has four teeth.[2]

Biology[edit]

This carnivorous snail eats other snails, such as Subulina octona and species of the family Pupillidae.[2]

References[edit]

  1. ^ Hutton T. (1834). On the land shells of India. Journal of the Asiatic Society of Bengal Calcutta 3(26): 86 (description); 93 (name).
  2. ^ a b c d e Auffenberg, K. and L. A. Strange. Snail-eating snails of Florida. EENY-251. University of Florida IFAS. Published 2001, revised 2011.
  3. ^ Robinson D. G., et al. (July 2009). The land Mollusca of Dominica (Lesser Antilles), with notes on some enigmatic or rare species. Zoologische Mededelingen, 83.
  4. ^ dos Santos, S. B., et al. (2008). First record of the micro-predator Huttonella bicolor (Hutton, 1834) (Gastropoda, Streptaxidae) on Rio de Janeiro City, Brazil. Biociências 16(2), 145-48.
  5. ^ (in Spanish) Pérez, A. M., et al. (2008). Diversidad de moluscos gasterópodos terrestres en la región del Pacífico de Nicaragua y sus preferencias de hábitat. Rev. Biol. Trop. 56(1), 317-32.
  6. ^ Sanisic, J. (1981). The carnivorous land snail Gulella (Huttonella) bicolor (Hutton, 1834) in Australia. (Pulmonata: Streptaxidae). Journal of the Malacological Society of Australia 5, 84-86.
  7. ^ a b Gerlach, J. and A. C. van Bruggen. (1999). Streptaxidae Mollusca: Gastropoda: Pulmonata) of the Seychelles Islands, western Indian Ocean. Zoologische Verhandelingen 328, 1-60.

Further reading[edit]

External links[edit]