''Pagurus'' is a

genus Genus ( plural genera ) is a taxonomic rank used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In the hierarchy of biological classification, genus com ...

hermit crab Hermit crabs are anomuran decapod crustaceans of the superfamily Paguroidea that have adapted to occupy empty scavenged mollusc shells to protect their fragile exoskeletons. There are over 800 species of hermit crab, most of which possess an a ...

s in the

family Family (from la, familia) is a Social group, group of people related either by consanguinity (by recognized birth) or Affinity (law), affinity (by marriage or other relationship). The purpose of the family is to maintain the well-being of its ...

Paguridae The Paguridae are a family of hermit crabs of the order Decapoda. This family contains 542 species in over 70 genera:. The king crabs, Lithodoidea, are now widely undestood to be derived from deep within the Paguridae, with some authors placing t ...

. Like other hermit crabs, their

abdomen The abdomen (colloquially called the belly, tummy, midriff, tucky or stomach) is the part of the body between the thorax (chest) and pelvis, in humans and in other vertebrates. The abdomen is the front part of the abdominal segment of the torso. ...

is not calcified and they use snail shells as protection. These marine decapod

crustacean Crustaceans (Crustacea, ) form a large, diverse arthropod taxon which includes such animals as decapods, seed shrimp, branchiopods, fish lice, krill, remipedes, isopods, barnacles, copepods, amphipods and mantis shrimp. The crustacean group ...

s are

omnivorous An omnivore () is an animal that has the ability to eat and survive on both plant and animal matter. Obtaining energy and nutrients from plant and animal matter, omnivores digest carbohydrates, protein, fat, and fiber, and metabolize the nutri ...

, but mostly prey on small animals and

scavenge Scavengers are animals that consume Corpse decomposition, dead organisms that have died from causes other than predation or have been killed by other predators. While scavenging generally refers to carnivores feeding on carrion, it is also a h ...

carrion Carrion () is the decaying flesh of dead animals, including human flesh. Overview Carrion is an important food source for large carnivores and omnivores in most ecosystems. Examples of carrion-eaters (or scavengers) include crows, vultures, c ...

. ''Trigonocheirus'' and '' Pagurixus'' used to be considered

subgenera In biology, a subgenus (plural: subgenera) is a taxonomic rank directly below genus. In the International Code of Zoological Nomenclature, a subgeneric name can be used independently or included in a species name, in parentheses, placed between t ...

of ''Pagurus'', but the former is nowadays included in '' Orthopagurus'', while the latter has been separated as a distinct genus.

Species

Some 170

species In biology, a species is the basic unit of classification and a taxonomic rank of an organism, as well as a unit of biodiversity. A species is often defined as the largest group of organisms in which any two individuals of the appropriate s ...

are presently placed in ''Pagurus''; many others have been placed here at one time but are now assigned to other genera of

Paguroidea Hermit crabs are anomuran Decapoda, decapod crustaceans of the superfamily (taxonomy), superfamily Paguroidea that have adapted to occupy empty scavenged mollusc shells to protect their fragile exoskeletons. There are over 800 species of hermit c ...

. The following list is current : Pagurus anachoretus

*'' Pagurus acadianus'' Benedict, 1901 *'' Pagurus alabamensis'' Rathbun, 1935 † *'' Pagurus alaini'' Komai, 1998 *''

Pagurus alatus ''Pagurus'' is a genus of hermit crabs in the family Paguridae. Like other hermit crabs, their abdomen is not calcified and they use snail shells as protection. These marine decapod crustaceans are omnivorous, but mostly prey on small animals ...

'' Fabricius, 1775 *''

Pagurus albidianthus ''Pagurus'' is a genus of hermit crabs in the family Paguridae. Like other hermit crabs, their abdomen is not calcified and they use snail shells as protection. These marine decapod crustaceans are omnivorous, but mostly prey on small animals ...

'' de Saint Laurent & McLaughlin, 2000 *''

Pagurus albus ''Pagurus'' is a genus of hermit crabs in the family Paguridae. Like other hermit crabs, their abdomen is not calcified and they use snail shells as protection. These marine decapod crustaceans are omnivorous, but mostly prey on small animals ...

'' (Benedict, 1892) *''

Pagurus alcocki ''Pagurus'' is a genus of hermit crabs in the family Paguridae. Like other hermit crabs, their abdomen is not calcified and they use snail shells as protection. These marine decapod crustaceans are omnivorous, but mostly prey on small animals a ...

'' (Balss, 1911) *''

Pagurus aleuticus ''Pagurus'' is a genus of hermit crabs in the family Paguridae. Like other hermit crabs, their abdomen is not calcified and they use snail shells as protection. These marine decapod crustaceans are omnivorous, but mostly prey on small animals a ...

'' (Benedict, 1892) *'' Pagurus anachoretoides'' Forest, 1966 *''

Pagurus anachoretus ''Pagurus'' is a genus of hermit crabs in the family Paguridae. Like other hermit crabs, their abdomen is not calcified and they use snail shells as protection. These marine decapod crustaceans are omnivorous, but mostly prey on small animals a ...

'' Risso, 1827 *'' Pagurus angustus'' (Stimpson, 1858) *'' Pagurus annexus'' McLaughlin & Haig, 1993 *'' Pagurus annulipes'' (Stimpson, 1860) *'' Pagurus arcuatus'' Squires, 1964 *'' Pagurus arenisaxatilis'' Harvey & McLaughlin, 1991 *'' Pagurus armatus'' (Dana, 1851) *'' Pagurus benedicti'' (Bouvier, 1892) *'' Pagurus beringanus'' (Benedict, 1892) *''

Pagurus bernhardus ''Pagurus bernhardus'' is the common marine hermit crab of Europe's Atlantic coasts. It is sometimes referred to as the common hermit crab or soldier crab. Its carapace reaches long, and is found in both rocky and sandy areas, from the Arctic wa ...

'' (

Linnaeus Carl Linnaeus (; 23 May 1707 – 10 January 1778), also known after his ennoblement in 1761 as Carl von Linné Blunt (2004), p. 171. (), was a Swedish botanist, zoologist, taxonomist, and physician who formalised binomial nomenclature, the ...

1758 Events January–March * January 1 – Swedish biologist Carl Linnaeus (Carl von Linné) publishes in Stockholm the first volume (''Animalia'') of the 10th edition of Systema Naturae, 10th edition of ''Systema Naturae'', the sta ...

) *'' Pagurus boletifer'' *'' Pagurus boriaustraliensis'' Morgan, 1990 *'' Pagurus bouvieri'' (Faxon, 1895) *'' Pagurus brachiomastus'' (Thallwitz, 1892) *'' Pagurus brandti'' (Benedict, 1892) *'' Pagurus brevidactylus'' (Stimpson, 1859) *'' Pagurus brucei'' (Rathbun, 1926) † *'' Pagurus bullisi'' Wass, 1963 *'' Pagurus capillatus'' (Benedict, 1892) *'' Pagurus capsularis'' McLaughlin, 1997 *'' Pagurus carneus'' (Pocock, 1889) *'' Pagurus carolinensis'' McLaughlin, 1975 *'' Pagurus carpoforminatus'' (Alcock, 1905) *'' Pagurus caurinus'' Hart, 1971 *'' Pagurus cavicarpus'' (Paulson, 1875) *'' Pagurus chevreuxi'' (Bouvier, 1896) *'' Pagurus compressipes'' (Mieers, 1884) *'' Pagurus comptus'' White, 1847 *'' Pagurus conformis'' (De Haan, 1849) *'' Pagurus confragosus'' (Benedict, 1892) *'' Pagurus confusus'' Komai & Yu, 1999 *'' Pagurus constans'' (Stimpson, 1858) *'' Pagurus cornutus'' (Benedict, 1892) *'' Pagurus criniticornis'' (Dana, 1852) *'' Pagurus cuanensis'' Bell, 1845 *'' Pagurus curacaoensis'' (Benedict, 1892) *''

Pagurus dalli ''Pagurus dalli'', commonly known as the whiteknee hermit, is a species of hermit crab in the family Paguridae. It is found in the northeastern Pacific Ocean at depths down to about . It usually lives in a mutualistic symbiosis with a sponge, or ...

'' (Benedict, 1892) *'' Pagurus dartevellei'' (Forest, 1958) *'' Pagurus decimbranchiae'' Komai & Osawa, 2001 *'' Pagurus defensus'' (Benedict, 1892) *'' Pagurus delsolari'' Haig, 1974 *'' Pagurus dissimilis'' (A. Milne-Edwards & Bouvier, 1893) *'' Pagurus edwardsii'' (Dana, 1852) *'' Pagurus emmersoni'' McLaughlin & Forest, 1999 *'' Pagurus erythrogrammus'' Komai, 2003 *'' Pagurus excavatus'' (Herbst, 1791) *'' Pagurus exiguus'' (Melin, 1939) *'' Pagurus exilis'' (Benedict, 1892) *'' Pagurus filholi'' (De Man, 1887) *'' Pagurus fimbriatus'' Forest, 1966 *''

Pagurus forbesii ''Pagurus forbesii'' is a species of hermit crab in the family Paguridae. It is found in the northeastern Atlantic Ocean and the Mediterranean Sea. Taxonomy This species was first described by the English zoologist Thomas Bell, writing in the ...

'' Bell, 1845 *'' Pagurus forceps'' H. Milne-Edwards, 1836 *'' Pagurus fungiformis'' Komai & Rahayu, 2004 *'' Pagurus gladius'' (Benedict, 1892) *'' Pagurus gordonae'' (Forest, 1956) *'' Pagurus gracilipes'' (Stimpson, 1858) *'' Pagurus granosimanus'' (Stimpson, 1859) *'' Pagurus gymnodactylus'' Lemaitre, 1982 *'' Pagurus hartae'' (McLaughlin & Jensen, 1996) *'' Pagurus heblingi'' Nucci & Melo, 2003 *'' Pagurus hedleyi'' (Grant & McCulloch, 1906) *'' Pagurus hemphilli'' (Benedict, 1892) *'' Pagurus hirsutiusculus'' (Dana, 1851) *'' Pagurus holmi'' Ng & McLaughlin, 2009 *'' Pagurus ikedai'' Lemaitre & Watabe, 2005 *'' Pagurus imafukui'' McLaughlin & Konishi, 1994 *'' Pagurus imaii'' (Yokoya, 1939) *'' Pagurus imarpe'' Haig, 1974 *'' Pagurus impressus'' (Benedict, 1892) *'' Pagurus indicus'' Sarojini & Nagabhushanam, 1972 *'' Pagurus insulae'' Asakura, 1991 *'' Pagurus investigatoris'' (Alcock, 1905) *'' Pagurus iridocarpus'' de Saint Laurent & McLaughlin, 2000 *'' Pagurus irregularis'' (A. Milne-Edwards & Bouvier, 1892) *'' Pagurus japonicus'' (Stimpson, 1858) *'' Pagurus kaiensis'' McLaughlin, 1997 *'' Pagurus kennerlyi'' (Stimpson, 1854) *'' Pagurus kulkarnii'' Sankolli, 1962 *'' Pagurus lanuginosus'' De Haan, 1849 *'' Pagurus laurentae'' Forest, 1978 *'' Pagurus lepidus'' (Bouvier, 1898) *'' Pagurus leptonyx'' Forest & de Saint Laurent, 1968 *'' Pagurus limatulus'' Fausto Filho, 1970 *'' Pagurus liochele'' (Barnard, 1947) *''

Pagurus longicarpus ''Pagurus longicarpus'', the long-wristed hermit crab, is a common hermit crab found along the Atlantic and Gulf coasts of the United States and the Atlantic coast of Canada.Young, A. M. 1978. Desiccation tolerances for three hermit crab species ...

'' Say, 1817 *'' Pagurus longimanus'' Wass, 1963 *'' Pagurus lophochela'' Komai, 1999 *'' Pagurus luticola'' Komai & Chan, 2006 *'' Pagurus macardlei'' (Alcock, 1905) *'' Pagurus maclaughlinae'' Garcia-Gomez, 1982 *'' Pagurus maculosus'' Komai & Imafuku, 1996 *'' Pagurus malloryi'' Schweitzer & Feldmann, 2001 † *'' Pagurus marshi'' Benedict, 1901 *'' Pagurus mbizi'' (Forest, 1955) *'' Pagurus meloi'' Lemaitre & Cruz Castano, 2004 *'' Pagurus mertensii'' Brandt, 1851 *'' Pagurus middendorffii'' Brandt, 1851 *'' Pagurus minutus'' Hess, 1865 *'' Pagurus moluccensis'' Haig & Ball, 1988 *'' Pagurus nanodes'' Haig & Harvey, 1991 *'' Pagurus nesiotes'' Haig & McLaughlin, 1991 *'' Pagurus nigrivittatus'' Komai, 2003 *'' Pagurus nigrofascia'' Komai, 1996 *'' Pagurus nipponensis'' (Yokoya, 1933) *'' Pagurus nisari'' Siddiqui & Komai, 2008 *'' Pagurus novizealandiae'' (Dana, 1852) *'' Pagurus ochotensis'' Brandt, 1851 *'' Pagurus parvispina'' Komai, 1997 *'' Pagurus parvus'' (Benedict, 1892) *'' Pagurus pectinatus'' (Stimpson, 1858) *'' Pagurus pergranulatus'' (

Henderson Henderson may refer to: People *Henderson (surname), description of the surname, and a list of people with the surname *Clan Henderson, a Scottish clan Places Argentina *Henderson, Buenos Aires Australia *Henderson, Western Australia Canada *He ...

, 1896) *'' Pagurus perlatus'' H. Milne-Edwards, 1848 *'' Pagurus pilosipes'' (Stimpson, 1858) *'' Pagurus pilsbryi'' Roberts, 1962 † *'' Pagurus pitagsaleei'' McLaughlin, 2002 *'' Pagurus politus'' (Smith, 1882) *''

Pagurus pollicaris ''Pagurus pollicaris'' is a hermit crab commonly found along the Atlantic coast of North America from New Brunswick to the Gulf of Mexico. It is known by a number of common names, including ''gray hermit crab'', ''flat-clawed hermit crab'', ''f ...

'' Say, 1817 *'' Pagurus prideaux'' Leach, 1815 *'' Pagurus protuberocarpus'' McLaughlin, 1982 *'' Pagurus provenzanoi'' Forest & de Saint Laurent, 1968 *'' Pagurus proximus'' Komai, 2000 *'' Pagurus pubescens'' Krøyer, 1838 *'' Pagurus pubescentulus'' (A. Milne-Edwards & Bouvier, 1892) *'' Pagurus pulchellus'' (A. Milne-Edwards & Bouvier, 1892) *'' Pagurus pycnacanthus'' (Forest, 1955) *'' Pagurus quaylei'' Hart, 1971 *'' Pagurus quinquelineatus'' Komai, 2003 *'' Pagurus rathbuni'' (Benedict, 1892) *'' Pagurus redondoensis'' Wicksten, 1982 *'' Pagurus retrorsimanus'' Wicksten & McLaughlin, 1998 *'' Pagurus rhabdotus'' Haig & Harvey, 1991 *'' Pagurus rotundimanus'' Wass, 1963 *'' Pagurus ruber'' (A. Milne-Edwards & Bouvier, 1892) *'' Pagurus rubrior'' Komai, 2003 *'' Pagurus samoensis'' (Ortmann, 1892) *'' Pagurus samuelis'' (Stimpson, 1857) *'' Pagurus setosus'' (Benedict, 1892) *'' Pagurus similimanus'' (Balss, 1921) *'' Pagurus similis'' (Ortmann, 1892) *'' Pagurus simulans'' Komai, 2000 *'' Pagurus sinuatus'' (Stimpson, 1858) *'' Pagurus smithi'' (Benedict, 1892) *'' Pagurus souriei'' (Forest, 1952) *'' Pagurus spighti'' McLaughlin & Haig, 1993 *'' Pagurus spilocarpus'' Haig, 1977 *'' Pagurus spina'' Komai, 1994 *'' Pagurus spinulentus'' (Henderson, 1888) *'' Pagurus stevensae'' Hart, 1971 *'' Pagurus sticticus'' McLaughlin, 2008 *'' Pagurus stimpsoni'' (A. Milne-Edwards & Bouvier, 1893) *'' Pagurus tanneri'' (Benedict, 1892) *'' Pagurus townsendi'' (Benedict, 1892) *'' Pagurus traversi'' (Filhol, 1885) *'' Pagurus triangularis'' (Chevreux & Bouvier, 1892) *'' Pagurus trichocerus'' Forest & de Saint Laurent, 1968 *'' Pagurus trigonocheirus'' (Stimpson, 1858) *'' Pagurus tristanensis'' (Henderson, 1888) *'' Pagurus tuberculosus'' Harvey, 1998 † *'' Pagurus undosus'' (Benedict, 1892) *'' Pagurus venturensis'' Coffin, 1957 *'' Pagurus vetaultae'' Harvey & McLaughlin, 1991 *'' Pagurus villosus'' Nicolet, 1849 *'' Pagurus virgulatus'' Haig & Harvey, 1991 The following are all ''

nomina nuda In taxonomy, a ''nomen nudum'' ('naked name'; plural ''nomina nuda'') is a designation which looks exactly like a scientific name of an organism, and may have originally been intended to be one, but it has not been published with an adequate descr ...

''. They have never been validly described as new species, but only mentioned under these names: *''Pagurus bunomanus'' Glassell, 1937 *''Pagurus crenatus'' Hope, 1851 *''Pagurus cuanensis'' Thompson, 1844 *''Pagurus cultratus'' White, 1847 *''Pagurus hirtimanus'' White, 1847 *''Pagurus hyndmani'' Thompson, 1844 *''Pagurus laevis'' Thompson, 1844 *''Pagurus ulidiae'' Thompson, 1843

References

{{Taxonbar, from=Q2480027 Hermit crabs