Parapaguridae
Encyclopedia
Parapaguridae 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 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...

 hermit crab
Hermit crab
Hermit crabs are decapod crustaceans of the superfamily Paguroidea. Most of the 1100 species possess an asymmetrical abdomen which is concealed in an empty gastropod shell that is carried around by the hermit crab.-Description:...

s. They have gill
Gill
A gill is a respiratory organ found in many aquatic organisms that extracts dissolved oxygen from water, afterward excreting carbon dioxide. The gills of some species such as hermit crabs have adapted to allow respiration on land provided they are kept moist...

 chambers that function as lung
Lung
The lung is the essential respiration organ in many air-breathing animals, including most tetrapods, a few fish and a few snails. In mammals and the more complex life forms, the two lungs are located near the backbone on either side of the heart...

s. Some genera, such as Bivalvopagurus and Tylaspis, do not inhabit shells. The following genera are included:
  • Bivalvopagurus Lemaitre, 1993
  • Oncopagurus Lemaitre, 1996
  • Paragiopagurus Lemaitre, 1996
  • Parapagurus Smith, 1879
  • Probeebei Boone, 1926
  • Strobopagurus
  • Sympagurus Smith, 1883
  • Tsunogaipagurus Osawa, 1995
  • Tylaspis Henderson, 1885
  • Typhlopagurus de Saint Laurent, 1972
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