{{Short description|Family of crustaceans}} {{Automatic taxobox | name = Diogenidae | image = Diogenes pugilator.jpg | image_caption = ''Diogenes pugilator'' | taxon = Diogenidae | authority = Ortmann, 1892&nbsp;<ref name="Grave">{{cite journal|journal=Raffles Bulletin of Zoology |year=2009 |volume=Suppl. 21 |pages=1–109 |title=A classification of living and fossil genera of decapod crustaceans |author1=Sammy De Grave |author2=N. Dean Pentcheff |author3=Shane T. Ahyong |url=http://rmbr.nus.edu.sg/rbz/biblio/s21/s21rbz1-109.pdf |format=PDF |display-authors=etal |url-status=dead |archive-url=https://web.archive.org/web/20110606064728/http://rmbr.nus.edu.sg/rbz/biblio/s21/s21rbz1-109.pdf |archive-date=2011-06-06 }}</ref> }}

The '''Diogenidae''' are a family of hermit crabs, sometimes known as "left-handed hermit crabs" because in contrast to most other hermit crabs, its left chela (claw) is enlarged instead of the right. It comprises 429 extant species,<ref name="checklist">{{cite journal |author1=Patsy A. McLaughlin |author2=Tomoyuki Komai |author3=Rafael Lemaitre |author4=Dwi Listyo Rahayu |year=2010 |editor1=Martyn E. Y. Low |editor2=S. H. Tan |title=Annotated checklist of anomuran decapod crustaceans of the world (exclusive of the Kiwaoidea and families Chirostylidae and Galatheidae of the Galatheoidea) Part I – Lithodoidea, Lomisoidea and Paguroidea |journal=Zootaxa |volume=Suppl. 23 |pages=5–107 |url=http://rmbr.nus.edu.sg/rbz/biblio/s23/s23rbz005-107.pdf |format=PDF |archive-url=https://web.archive.org/web/20120122104557/http://rmbr.nus.edu.sg/rbz/biblio/s23/s23rbz005-107.pdf |archive-date=2012-01-22}}</ref> and a further 47 extinct species,<ref name="Grave"/> making it the second-largest family of marine hermit crabs, after the Paguridae.<ref>{{cite web |url=http://www.environment.gov.au/biodiversity/abrs/online-resources/fauna/afd/taxa/DIOGENIDAE |title=Family Diogenidae Ortmann, 1892 |work=Australian Faunal Directory |publisher=Department of the Environment, Water, Heritage and the Arts |date=September 9, 2009}}</ref>

==Genera== {{Linked genus list | Allodardanus | Haig & Provenzano, 1965 | Aniculus | Dana, 1852 | Areopaguristes | Rahayu & McLaughlin, 2010 | † Annuntidiogenes | Fraaije, Van Bakel, Jagt & Artal, 2008 | Bathynarius | Forest, 1989 | Calcinus | Dana, 1851 | ''Cancellus (crustacean){{!}}Cancellus'' | H. Milne-Edwards, 1836 | Ciliopagurus | Forest, 1995 | Clibanarius | Dana, 1852 | ''Dardanus (crustacean){{!}}Dardanus'' | Paul'son, 1875 | ''Diogenes (crustacean){{!}}Diogenes'' | Dana, 1851 | † Eocalcinus | Vía, 1959 | Isocheles | Stimpson, 1858 | † Joecalcinus | Fraaije et. al., 2020 | Loxopagurus | Forest, 1964 | Paguristes | Dana, 1851 | Paguropsis | Henderson, 1888 | † Parapaguristes | Bishop, 1986 | Petrochirus | Stimpson, 1858 | Pseudopaguristes | McLaughlin, 2002 | Pseudopagurus | Forest, 1952 | Stratiotes | Thomson, 1899 – see ''Areopaguristes'' | † Striadiogenes | Garassino, De Angeli & Pasini, 2009 | Strigopagurus | Forest, 1995 | Tisea | Morgan & Forest, 1991 | Trizopagurus | Forest, 1952 }}

{{clear}} <gallery style="text-align:center;" mode="packed"> File:Aniculus ursus.JPG|''Aniculus ursus'' File:Calcinus elegans Réunion.jpg|''Calcinus elegans'' File:Ciliopagurus strigatus Réunion.JPG|''Ciliopagurus strigatus'' File:Clibanarius.jpg|''Clibanarius erythropus'' File:Dardanus megistos Réunion.jpg|''Dardanus megistos'' File:Diogenes pugilator.jpg|''Diogenes pugilator'' File:Paguristes cadenati.jpg|''Paguristes cadenati'' File:Petrochirus diogenes 1.jpg|''Petrochirus diogenes'' File:Strigopagurus strigimanus P2133407.JPG|''Strigopagurus strigimanus'' </gallery>

==References== {{Reflist|32em}}

==External links== {{Portal|Crustaceans}} *{{Commons category-inline}} *{{Wikispecies-inline}} *{{Cite WoRMS |author=WoRMS Editorial Board |year=2025 |title=Diogenidae |db=Paguroidea |id=106736}}

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Category:Diogenidae Category:Decapod families Category:Taxa named by Arnold Edward Ortmann