Pagurapseudidae
Encyclopedia
Pagurapseudidae is a family
of crustacean
s in the order Tanaidacea
. Like hermit crab
s, they inhabit empty gastropod shell
s, but can be told apart from hermit crabs by the lack of a carapace
, revealing the segmentation of the thorax, and by the greater number of legs: hermit crabs have five pairs of legs, of which the first has large claws, and the last is highly reduced, while in Pagurapseudidae, there is one pair of claws, plus six further walking legs.
The family Pagurapseudidae contains the following subfamilies and genera:
Family
In human context, a family is a group of people affiliated by consanguinity, affinity, or co-residence. In most societies it is the principal institution for the socialization of children...
of crustacean
Crustacean
Crustaceans form a very large group of arthropods, usually treated as a subphylum, which includes such familiar animals as crabs, lobsters, crayfish, shrimp, krill and barnacles. The 50,000 described species range in size from Stygotantulus stocki at , to the Japanese spider crab with a leg span...
s in the order Tanaidacea
Tanaidacea
The crustacean order Tanaidacea make up a minor group within the class Malacostraca. There are about 940 species in this order.-Description:...
. Like 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 inhabit empty gastropod shell
Gastropod shell
The gastropod shell is a shell which is part of the body of a gastropod or snail, one kind of mollusc. The gastropod shell is an external skeleton or exoskeleton, which serves not only for muscle attachment, but also for protection from predators and from mechanical damage...
s, but can be told apart from hermit crabs by the lack of a carapace
Carapace
A carapace is a dorsal section of the exoskeleton or shell in a number of animal groups, including arthropods such as crustaceans and arachnids, as well as vertebrates such as turtles and tortoises. In turtles and tortoises, the underside is called the plastron.-Crustaceans:In crustaceans, the...
, revealing the segmentation of the thorax, and by the greater number of legs: hermit crabs have five pairs of legs, of which the first has large claws, and the last is highly reduced, while in Pagurapseudidae, there is one pair of claws, plus six further walking legs.
The family Pagurapseudidae contains the following subfamilies and genera:
- Hodometricinae Gutu, 1981
- Hodometrica Miller, 1940
- Indoapseudes Bacescu, 1976
- Parapagurapseudopsis Brum, 1973
- Similipedia Gutu, 1989
- Pagurapseudinae Lang, 1970
- Macrolabrum Bacescu, 1976
- Pagurapseudes Whitelegge, 1901
- Pagurotanais Bouvier, 1918