Urocyclidae is a family

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 air-breathing 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 and semi-slug

Semi-slug

Semi-slugs, also spelled semislugs, are land gastropods whose shells are too small for them to retract into, but the shell is not quite vestigial...

s, 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...

 pulmonate gastropod mollusks in the superfamily Helicarionoidea

Helicarionoidea

Helicarionoidea is a superfamily of air-breathing land snails and semi-slugs, terrestrial pulmonate gastropod mollusks in the limacoid clade.-Families:There are three families within the superfamily Helicarionoidea:* Helicarionidae* Ariophantidae...

, (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...

).

Some gastropods within this family make and use love darts.

Distribution

The Urocyclidae are distributed in the Afrotropical Region, including Madagascar

Madagascar

The Republic of Madagascar is an island country located in the Indian Ocean off the southeastern coast of Africa...

, the Comores and the islands of the Gulf of Guinea

Gulf of Guinea

The Gulf of Guinea is the northeasternmost part of the tropical Atlantic Ocean between Cape Lopez in Gabon, north and west to Cape Palmas in Liberia. The intersection of the Equator and Prime Meridian is in the gulf....

.

Taxonomy

The family Urocyclidae consists of 2 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...

), that follows classification of Urocyclinae by Van Goethem (1977):

• subfamily Urocyclinae Simroth, 1889
  • tribe Urocyclini Simroth, 1889 - synonyms: Atoxonini Schileyko, 2002; Buettneriini Schileyko, 2002
  • tribe Dendrolimacini Van Goethem, 1977
  • tribe Leptichnini Van Goethem, 1977
  • tribe Upembelllini Van Goethem, 1977
• subfamily Sheldoniinae Connolly, 1925 (1912) - synonyms: Peltatinae Godwin-Austen, 1912; Trochonanininae Connolly, 1912; Trochozonitinae Iredale, 1914; Ledoulxiinae Pilsbry, 1919; Gymnarionidae Von Mol, 1970; Rhysotinidae Schileyko, 2002; Zonitarionini Schileyko, 2002; Acantharionini Schileyko, 2002

Genera

Genera within the family Urocyclidae include:

subfamily Urocyclinae

tribe Urocyclini

• Atoxon Simroth, 1888
• Buettnerella
  Buettnerella
  Buettnerella is a genus of air-breathing land snails, terrestrial gastropod mollusks in the family Urocyclidae.Buettnerella is the nomen novum for Buettneria Simroth, 1888.- Species :...
  
   Simroth, 1910 - synonym: Buettneria Simroth, 1888
• Urocyclus Gray, 1864 - the type genus of the family Urocyclidae

tribe Dendrolimacini

• Dendrolimax Heynemann, 1868 - the type genus of the tribe Dendrolimacini

tribe Leptichnini

• Leptichnus
  Leptichnus
  Leptichnus is a genus of air-breathing land snails or semi-slugs, terrestrial pulmonate gastropod mollusks in the family Urocyclidae.Leptichnus is the type genus of the tribe Leptichnini.-Species:Species within the genus Leptichnus include:...
  
   Simroth, 1896 - the type genus of the tribe Leptichnini

tribe Upembelllini

• Upembellla Van Goethem, 1969 - the type genus of the tribe Upembelllini

subfamily Sheldoniinae

• Acantharion Binder & Tillier, 1985
• Gymnarion Pilsbry, 1919
• Ledoulxia Bourguignat, 1885

• Rhysotina Ancey, 1887
• Sheldonia
  Sheldonia
  Sheldonia is a genus of terrestrial gastropods in the Urocyclidae family.Sheldonia is the type genus of the subfamily Sheldoniinae.- Species :It contains the following species:* Sheldonia puzeyi Connolly, 1939* Sheldonia peoppigii...
  
   Ancey, 1887 - the type genus of the subfamily Sheldoniinae
• Trochonanina Mousson, 1869
• Trochozonites
  Trochozonites
  Trochozonites is a genus of terrestrial gastropods in the Urocyclidae family.- Species :Species within the genus Trochozonites include:* Trochozonites usambarensis Verdcourt...
  
   Pfeffer, 1883
• Zonitarion Pfeffer, 1883

unsorted:

• Centrafricarion Van Mol, 1970
• Verrucarion van Mol, 1970
• Zingis
  Zingis
  Zingis is a genus of air-breathing land snails, terrestrial pulmonate gastropod mollusks in the family Helicarionidae.-Species:Species in the genus Zingis include:* Zingis nyassana * Zingis radiolata von Martens...
  
  

Cladogram

The following cladogram

Cladogram

A cladogram is a diagram used in cladistics which shows ancestral relations between organisms, to represent the evolutionary tree of life. Although traditionally such cladograms were generated largely on the basis of morphological characters, DNA and RNA sequencing data and computational...

 shows the phylogenic relationship of this family to other families in the limacoid clade

Limacoid clade

The limacoid clade is a taxonomic clade of air-breathing land snails, semislugs and slugs, terrestrial pulmonate gastropod molluscs in the informal group Sigmurethra.- Distribution :...

: