Helicinidae
Encyclopedia
Helicinidae is a family
of small tropical land snail
s which have an operculum
. They are terrestrial
operculate gastropod mollusks in the superfamily
Helicinoidea
.
These snails are not at all closely related to the air-breathing land snails, despite a superficial similarity of the shells.
islands and some Indo-Pacific
and Pacific islands, as well as the edge of the Asia
n and Australia
n continents.
according to the taxonomy of the Gastropoda by Bouchet & Rocroi, 2005
).
This family consists of six following subfamilies (according to the taxonomy of the Gastropoda by Bouchet & Rocroi, 2005
):
Subfamily Helicininae
subfamily Ceratodiscinae
Subfamily † Dimorphoptychiinae
Subfamily Hendersoniinae
Subfamily Stoastomatinae
Subfamily Vianinae
Subfamily ?
species specific reading:
Family (biology)
In biological classification, family is* a taxonomic rank. Other well-known ranks are life, domain, kingdom, phylum, class, order, genus, and species, with family fitting between order and genus. As for the other well-known ranks, there is the option of an immediately lower rank, indicated by the...
of small tropical land snail
Land snail
A land snail is any of the many species of snail that live on land, as opposed to those that live in salt water and fresh water. Land snails are terrestrial gastropod mollusks that have shells, It is not always an easy matter to say which species are terrestrial, because some are more or less...
s which have an operculum
Operculum (gastropod)
The operculum, meaning little lid, is a corneous or calcareous anatomical structure which exists in many groups of sea snails and freshwater snails, and also in a few groups of land snails...
. They are terrestrial
Terrestrial animal
Terrestrial animals are animals that live predominantly or entirely on land , as compared with aquatic animals, which live predominantly or entirely in the water , or amphibians, which rely on a combination of aquatic and terrestrial habitats...
operculate gastropod mollusks in the superfamily
Taxonomic rank
In biological classification, rank is the level in a taxonomic hierarchy. Examples of taxonomic ranks are species, genus, family, and class. Each rank subsumes under it a number of less general categories...
Helicinoidea
Helicinoidea
Helicinoidea is a taxonomic superfamily of land snails that have an operculum. In other words, they are terrestrial operculate gastropod mollusks...
.
These snails are not at all closely related to the air-breathing land snails, despite a superficial similarity of the shells.
Distribution
These snails are found in tropical and subtropical areas but they have an odd distribution: they are restricted to the CaribbeanCaribbean
The Caribbean is a crescent-shaped group of islands more than 2,000 miles long separating the Gulf of Mexico and the Caribbean Sea, to the west and south, from the Atlantic Ocean, to the east and north...
islands and some Indo-Pacific
Indo-Pacific
The Indo-Pacific is a biogeographic region of the Earth's seas, comprising the tropical waters of the Indian Ocean, the western and central Pacific Ocean, and the seas connecting the two in the general area of Indonesia...
and Pacific islands, as well as the edge of the Asia
Asia
Asia is the world's largest and most populous continent, located primarily in the eastern and northern hemispheres. It covers 8.7% of the Earth's total surface area and with approximately 3.879 billion people, it hosts 60% of the world's current human population...
n and Australia
Australia
Australia , officially the Commonwealth of Australia, is a country in the Southern Hemisphere comprising the mainland of the Australian continent, the island of Tasmania, and numerous smaller islands in the Indian and Pacific Oceans. It is the world's sixth-largest country by total area...
n continents.
Taxonomy
Helicinidae belongs to superfamily HelicinoideaHelicinoidea
Helicinoidea is a taxonomic superfamily of land snails that have an operculum. In other words, they are terrestrial operculate gastropod mollusks...
according to the taxonomy of the Gastropoda by Bouchet & Rocroi, 2005
Taxonomy of the Gastropoda (Bouchet & Rocroi, 2005)
The taxonomy of the Gastropoda as it was revised by Philippe Bouchet and Jean-Pierre Rocroi is currently the most up-to-date overall system for classifying gastropod mollusks...
).
This family consists of six following subfamilies (according to the taxonomy of the Gastropoda by Bouchet & Rocroi, 2005
Taxonomy of the Gastropoda (Bouchet & Rocroi, 2005)
The taxonomy of the Gastropoda as it was revised by Philippe Bouchet and Jean-Pierre Rocroi is currently the most up-to-date overall system for classifying gastropod mollusks...
):
- Helicininae Férussac, 1822 - synonym: Olygyridae Gray, 1847; Bourcierinae Paetel, 1890
- Ceratodiscinae Pilsbry, 1927
- † Dimorphoptychiinae Wenz, 1938
- Hendersoniinae H. B. Baker, 1926
- Stoastomatinae C. B. Adams, 1849
- Vianinae H. B. Baker, 1922
Genera
Genera within the family Helicinidae include:Subfamily Helicininae
- AlcadiaAlcadiaAlcadia is a genus of tropical and subtropical land snails with an operculum, terrestrial gastropod mollusks in the family Helicinidae.- Species :Species within the genus Alcadia include:* Alcadia bermudezi Aguayo & Jaume, 1957...
Gray, 1840 - Bourciera Pfeiffer, 1852
- HelicinaHelicinaHelicina is a genus of tropical and subtropical land snails with an operculum, terrestrial gastropod mollusks in the family Helicinidae.- Species :Species within the genus Helicina include:* Helicina rostrata...
Lamarck, 1799 - type genus of the family Helicinidae - Hemipoma Wagner, 1905
- LucidellaLucidellaLucidella is a genus of land snails with an operculum, terrestrial gastropod mollusks in the family Helicinidae.-Distribution:Distribution of the genus include Central America and Caribbean:* Dominica - one undescribed species* Jamaica - 12 species...
Swainson, 1840 - OgasawaranaOgasawaranaOgasawarana is a genus of land snails with an operculum, terrestrial gastropod mollusk in the family Helicinidae, the helicinids.-Species:Species within the genus Ogasawarana include:* Ogasawarana arata* Ogasawarana capsula...
Wagner, 1905 - Olygyra Say, 1818
- Orobophana Wagner, 1905
- Pleuropoma Moellendorff, 1893
- Schasicheila Shuttleworth, 1852
- Stoastomops Baker, 1924
- Sturanya Wagner, 1905
subfamily Ceratodiscinae
- CeratodiscusCeratodiscusCeratodiscus is a genus of tropical and subtropical land snails with an operculum, terrestrial gastropod mollusks in the family Helicinidae.Ceratodiscus is the type genus of the subfamily Ceratodiscinae.- Species :...
Simpson & Henderson, 1901 - type genus of the subfamily Ceratodiscinae
Subfamily † Dimorphoptychiinae
- † DimorphoptychiaDimorphoptychiaDimorphoptychia is an extinct genus of land snails with an operculum, terrestrial gastropod mollusks in the family Helicinidae.Dimorphoptychia is the type genus of the subfamily Dimorphoptychiinae.- Species :...
Sandberger, 1871 - type genus of the subfamily Dimorphoptychiinae
Subfamily Hendersoniinae
- Hendersonia A. J. Wagner, 1905 - type genus of the subfamily Hendersoniinae
- Waldemaria Wagner, 1905
Subfamily Stoastomatinae
- Stoastoma C. B. Adams, 1849 - type genus of the subfamily Stoastomatinae
Subfamily Vianinae
- CalidvianaCalidvianaCalidviana is a genus of tropical and subtropical land snails with an operculum, terrestrial gastropod mollusks in the family Helicinidae.- Species :Species within the genus Calidviana include:...
Baker, 1954 - Calybium Morelet, 1891
- Eutrochatella Fischer, 1885
- Geophorus Fischer, 1885
- Heudeia Crosse, 1885
- Pseudotrochatella Nevill, 1881
- Pyrgodomus Fischer & Crosse, 1893
- VianaViana (gastropod)Viana is a genus of land snails with an operculum, terrestrial gastropod mollusks in the family Helicinidae.Viana is the type genus of the subfamily Vianinae....
H. Adams & A. Adams, 1856 - type genus of the subfamily Vianinae
Subfamily ?
- EmodaEmodaEmoda is a genus of land snails with an operculum, terrestrial gastropod mollusks in the family Helicinidae.- Species :Species within the genus Emoda include:* Emoda bayamensis * Emoda bermudezi Aguayo & Jaume, 1954...
Adams, 1856 - GlyptemodaGlyptemodaGlyptemoda is a genus of land snails with an operculum, terrestrial gastropod mollusks in the family Helicinidae.- Species :Species within the genus Glyptemoda include:* Glyptemoda torrei Henderson, 1909...
Clench & Aguayo, 1950 - PriotrochatellaPriotrochatellaPriotrochatella is a genus of land snails with an operculum, terrestrial gastropod mollusks in the family Helicinidae.- Species :Species within the genus Priotrochatella include:* Priotrochatella constellata...
Fischer, 1893 - SemitrochatellaSemitrochatellaSemitrochatella is a genus of land snails with an operculum, terrestrial gastropod mollusks in the family Helicinidae.- Species :Species within the genus Semitrochatella include:* Semitrochatella alboviridis...
Aguayo & Jaume, 1958 - SturanyellaSturanyellaSturanyella is a genus of land snails with an operculum, terrestrial gastropod mollusks in the family Helicinidae, the helicinids.The specific name Sturanyella is apparently in honor of Rudolf Sturany , a malacologist from Austria....
Pilsbry & Cooke, 1934 - TroschelvianaTroschelvianaTroschelviana is a genus of land snails with an operculum, terrestrial gastropod mollusks in the family Helicinidae.- Species :Species within the genus Troschelviana include:* Troschelviana callosa...
Baker, 1922 - UstroniaUstroniaUstronia is a genus of land snails with an operculum, terrestrial gastropod mollusks in the family Helicinidae.- Species :Species within the genus Ustronia include:* Ustronia acuminata...
Kobelt, 1908
Further reading
- Richling I. (2001). "New species of Helicinidae from Costa Rica (Gastropoda: Neritopsina)". Schriften zur Malakozoologie 17: 1-8. Cismar.
- Richling I. (2004). "Classification of the Helicinidae: Review of Morphological Characteristics Based on a Revision of the Costa Rican Species and Application to the Arrangement of the Central American Mainland Taxa (Mollusca: Gastropoda: Neritopsina)". Malacologica 45(2): 195-440.
- Richling I. (2004). "Coloration in Helicinidae (Mollusca: Gastropoda: Neritopsina)". MalacologiaMalacologiaMalacologia is a peer-reviewed scientific journal in the field of malacology, the study of mollusks. The journal publishes articles in the fields of molluscan systematics, ecology, population ecology, genetics, molecular genetics, evolution, and phylogenetics.The journal specializes in publishing...
46(1): 217-224. - Richling I. (2005). "Biographical remarks on Dr. Antoni Józef Wagner and the collection of Helicinidae in the Museum and Institute of Zoology in Warszawa". Folia Malacologica 13(4): 197-206.
- Richling I. & Glaubrecht M. (2008). "The types of Neotropical Helicinidae (Mollusca, Gastropoda, Neritopsina) in the Malacological Collection of the Museum für Naturkunde Berlin: an annotated catalogue, with emphasis on Cuban land snails". Zoosystematics and Evolution 84(2): 265-310. doi:10.1002/zoos.200800011.
- Richling I. (2009). "The Radiation of the Helicinidae in New Caledonia (Mollusca: Gastropoda: Neritopsina) including zoogeographical considerations". In: Grandcolas P. (ed.). "Zoologia Neocaledonica 7. Biodiversity studies in New Caledonia". Mémoires du Muséum national d'Histoire naturelle 198: 247-372. Paris. abstract
species specific reading:
- Richling I., Franke S., Fernánndez V. A. & Sigaretta V., S. (2007). "New data on the micro-land snails Eutrochatella (Microviana) spinopoma Aguayo 1943 and Eutrochatella (Microviana) holguinensis Aguayo 1932 (Neritopsina: Helicinidae) in the province of HolguínHolguínHolguín is a municipality and city, the capital of the Cuban Province of Holguín. It also includes a tourist area, offering beach resorts in the outskirts of the region.-History:...
, eastern Cuba". Schriften zur Malakozoologie 23: 19-24. Cismar.