Pupillidae 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 mostly minute, 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 or micromollusk

Micromollusk

A micromollusk is a descriptive term for a shelled mollusk which is extremely small, even at full adult size. The word is usually, but not exclusively, applied to marine mollusks, although in addition, numerous species of land snails and freshwater mollusks also reach adult size at very small...

s in the clade Stylommatophora

Stylommatophora

Stylommatophora is a taxon of air-breathing land snails and slugs, terrestrial pulmonate gastropod molluscs. This taxon is currently considered to be a clade. It was previously regarded as an infraorder...

.

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

There is one species Pupoides marginatus from the family Pupillidae in Cuba.

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 Pupillidae include:

• Gyliotrachela
  Gyliotrachela
  Gyliotrachela is a genus of small air-breathing land snail, terrestrial pulmonate gastropod mollusks in the family Pupillidae.-Species:Species within the genus Gyliotrachela include:* Gyliotrachela catherina Solem, 1981...
  
  Tomlin, 1930

• Lyropupa
  Lyropupa
  Lyropupa is a genus of air-breathing land snails, terrestrial pulmonate gastropod mollusks in the family Pupillidae.-Species:Species within the genus Lyropupa include:* Lyropupa anceyana* Lyropupa clathratula* Lyropupa hawaiiensis...
  
  Pilsbry, 1900

• Pronesopupa
  Pronesopupa
  Pronesopupa is a genus of minute, air-breathing land snails, terrestrial pulmonate gastropod mollusks in the family Pupillidae.It contains the following species:* Pronesopupa acanthinula* Pronesopupa boettgeri* Pronesopupa frondicella...
  
  Iredale, 1913
• Ptychalaea
  Ptychalaea
  Ptychalaea is a genus of very small terrestrial pulmonate gastropod mollusks in the family Pupillidae.It contains the following species:* Ptychalaea dedecora...
  
  Boettger, 1889
• Pupilla
  Pupilla
  Pupilla is a genus of minute air-breathing land snails, terrestrial pulmonate gastropod mollusks or micromollusks in the family Pupillidae.The genus Pupilla is known from the Oligocene to the Recent period.-Species:...
  
  Fleming, 1828 - type genus of the family Pupillidae
• Pupoides
  Pupoides
  Pupoides is a genus of land snails, terrestrial gastropod mollusks in the family Pupillidae.- Species :Species within the genus Pupoides include:* Pupoides albilabris Pupoides is a genus of land snails, terrestrial gastropod mollusks in the family Pupillidae.- Species :Species within the genus...
  
  Pfeiffer, 1854
• Pupoidopsis
  Pupoidopsis
  Pupoidopsis is a genus of very small or minute air-breathing land snail, a terrestrial pulmonate gastropod mollusk or micromollusk in the family Pupillidae.-Species:Species within the genus Pupoidopsis include:...
  
  Pilsbry & Cooke, 1920
• Sterkia
  Sterkia
  Sterkia is a genus of minute, air-breathing, land snails, terrestrial pulmonate gastropod mollusks in the family Pupillidae or in Vertiginidae.-Species:Species within the genus Sterkia include:* Sterkia antillensis Pilsbry, 1920...
  
  Pilsbry, 1898 / or in Vertiginidae
  Vertiginidae
  Vertiginidae is a family of minute, air-breathing land snails, terrestrial pulmonate gastropod molluscs or micromollusks in the superfamily Pupilloidea.- Distribution :...