| Peristoma | |
|---|---|
 | |
| Peristoma merduenianum | |
Scientific classification  | |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Gastropoda |
| Subclass: | Heterobranchia |
| Order: | Stylommatophora |
| Family: | Enidae |
| Genus: | Peristoma Krynicki, 1833 |
Peristoma is a genus of gastropods belonging to the family Enidae. [1]
The species of this genus are found in Black Sea. [1]
Species: [1]
In zoological nomenclature, author citation refers to listing the person who first makes a scientific name of a taxon available. This is done in a scientific work while fulfilling the formal requirements under the International Code of Zoological Nomenclature. According to Article 51.1 of the Code, "the name of the author does not form part of the name of a taxon and its citation is optional, although customary and often advisable." However recommendation 51A suggests "the original author and date of a name should be cited at least once in each work dealing with the taxon denoted by that name. This is especially important and has a unique character between homonyms and in identifying species-group names which are not in their native combinations". For the sake of information retrieval, the author citation and year appended to the scientific name, e.g. genus-species-author-year, genus-author-year, family-author-year, etc., is often considered a "de facto" unique identifier, although this usage may often be imperfect.
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Helicella is a genus of small to medium-sized, air-breathing land snails, terrestrial pulmonate gastropod mollusks in the subfamily Helicellinae of the family Geomitridae, the hairy snails and their allies.
Helicopsis is a genus of air-breathing land snails, terrestrial pulmonate gastropod mollusks in the subfamily Helicellinae of the family Geomitridae.
Vitrea is a genus of small, air-breathing land snails, terrestrial pulmonate gastropod mollusks in the family Pristilomatidae.
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Enidae is a family of air-breathing land snails, terrestrial pulmonate gastropod mollusks.
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Xeropicta is a genus of small air-breathing land snails, pulmonate gastropod mollusks in the subfamily Helicellinae of the family Geomitridae, the hairy snails and their allies.
Caucasotachea is a genus of medium-sized air-breathing land snails, terrestrial pulmonate gastropod molluscs in the family Helicidae.
Helicopsis lunulata is a species of air-breathing land snail, terrestrial pulmonate gastropod mollusc in the family Geomitridae from Eastern Europe.
Helicopsis filimargo is a species of air-breathing land snail, terrestrial pulmonate gastropod mollusc in the family Geomitridae from Eastern Europe.
Xeropicta krynickii is a terrestrial species of gastropods belonging to the family Geomitridae.
Xeropicta derbentina is a species of gastropods belonging to the family Geomitridae.
Brephulopsis is a genus of gastropods belonging to the family Enidae.
Thoanteus is a genus of gastropods belonging to the family Enidae.