Semitrochatella

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Semitrochatella
Scientific classification
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
(unranked):clade Neritimorpha
clade Cycloneritimorpha
Superfamily: Helicinoidea
Family: Helicinidae
Genus:Semitrochatella
Aguayo & Jaume, 1958 [1]

Semitrochatella is a genus of land snails with an operculum, terrestrial gastropod mollusks in the family Helicinidae.

A genus is a taxonomic rank used in the biological classification of living and fossil organisms, as well as viruses, in biology. In the hierarchy of biological classification, genus comes above species and below family. In binomial nomenclature, the genus name forms the first part of the binomial species name for each species within the genus.

Land snail

A land snail is any of the numerous species of snail that live on land, as opposed to sea snails and freshwater snails. Land snail is the common name for terrestrial gastropod mollusks that have shells. However, it is not always easy to say which species are terrestrial, because some are more or less amphibious between land and fresh water, and others are relatively amphibious between land and salt water.

Operculum (gastropod) A hard structure which closes the aperture of a gastropod when the animal retreats into the shell

The operculum, meaning little lid, is a corneous or calcareous anatomical structure like a trapdoor which exists in many groups of sea snails and freshwater snails, and also in a few groups of land snails; the structure is found in some marine and freshwater gastropods, and in a minority of terrestrial gastropods, including the families Helicinidae, Cyclophoridae, Aciculidae, Maizaniidae, Pomatiidae, etc.

Species

Species within the genus Semitrochatella include:

Semitrochatella conica is a species of the genus Semitrochatella, land snails with an operculum, terrestrial gastropod mollusks in the family Helicinidae.

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<i>Drymaeus</i> genus of molluscs

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<i>Helicina</i> genus of molluscs

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<i>Truncatella</i> (gastropod) genus of molluscs

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Achatinellidae family of molluscs

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References

  1. Aguayo & Jaume (1958). Mems Soc. cub. Hist. nat. `Felipe Poey' 24: 101.
  2. 1 2 3 4 5 "Mollusca" Archived 2011-07-18 at the Wayback Machine .. Diversidad Biológica Cubana, accessed 23 March 2011.