Trochomorphidae 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, 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 clade Eupulmonata

Eupulmonata

The Eupulmonata is a taxonomic clade of air-breathing snails. The great majority of this group are land snails and slugs, but some are marine and some are saltmarsh snails that can tolerate salty conditions.-Linnean taxonomy:...

 (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 has no 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...

).

Distribution

Distribution of Trochomorphidae include eastern-Palearctic

Palearctic

The Palearctic or Palaearctic is one of the eight ecozones dividing the Earth's surface.Physically, the Palearctic is the largest ecozone...

, India, south-eastern Asia, Australian and Polynesia

Polynesia

Polynesia is a subregion of Oceania, made up of over 1,000 islands scattered over the central and southern Pacific Ocean. The indigenous people who inhabit the islands of Polynesia are termed Polynesians and they share many similar traits including language, culture and beliefs...

.

Anatomy

In this family, the number of haploid chromosome

Chromosome

A chromosome is an organized structure of DNA and protein found in cells. It is a single piece of coiled DNA containing many genes, regulatory elements and other nucleotide sequences. Chromosomes also contain DNA-bound proteins, which serve to package the DNA and control its functions.Chromosomes...

s lies between 26 and 30 (according to the values in this table).

Genera

Genera within the family Trochomorphidae include:

• Trochomorpha
  Trochomorpha
  Trochomorpha is a genus of air-breathing land snails, terrestrial pulmonate gastropod mollusks in the family Trochomorphidae.- Species :It contains the following species:* Trochomorpha apia* Trochomorpha approximata...
  
   Albers, 1850 - type genus of the family Trochomorphidae

Some authors place the following two genera in this family instead of in the family Zonitidae

Zonitidae

Zonitidae, common name the true glass snails, are a family of mostly rather small, air-breathing land snails, terrestrial pulmonate gastropod mollusks in the superfamily Zonitoidea....

.

• Kondoa Baker, 1941
• Hogolua Baker, 1941

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 relationships of this family to other families within 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 :...

:

Further reading

• Baker (1941). Bulletin of the Bishop Museum 116: 273.
• Gude G. K.
  Gerard Pierre Laurent Kalshoven Gude
  Gerard Pierre Laurent Kalshoven Gude was a malacologist from the United Kingdom.- Bibliography :Among his works belongs two volumes of The Fauna of British India, Including Ceylon and Burma....
  
   (1914). Mollusca.−II. (Trochomorphidae--Janellidae)'.The Fauna of British India, Including Ceylon and Burma. London, xii + 520 pp., 164 figs.
• Vagvolvyi J. (1976). "Body size, aerial dispersal and origin of the Pacific land snail fauna". Syst. Zool 24: 465-488.