{{Short description|Family of crabs}} {{Automatic Taxobox | image = Cape Rock Crab, Plagusia chabrus, in the understory of a kelp bed (37161617073).jpg | image_caption = ''Guinusia chabrus'' | taxon = Plagusiidae | authority = Dana, 1851&nbsp;<ref>{{ITIS |taxon=Plagusiidae Dana, 1851 |id=621519 |accessdate=April 4, 2011}}</ref> | subdivision_ranks = Genera | subdivision = ''See text'' }}

The '''Plagusiidae''' are a family of crabs, formerly treated as a subfamily of the family Grapsidae, but have since been considered sufficiently distinct to be a family in their own right.<ref name="Ng">{{cite journal |journal=Raffles Bulletin of Zoology |year=2008 |volume=17 |pages=1–286 |title=Systema Brachyurorum: Part I. An annotated checklist of extant Brachyuran crabs of the world |author=Peter K. L. Ng |author2=Danièle Guinot |author3=Peter J. F. Davie |name-list-style=amp |url=http://rmbr.nus.edu.sg/rbz/biblio/s17/s17rbz.pdf }}</ref> The family Plagusiidae used to include a subfamily Plagusiinae, comprising the genera ''Percnon'' and ''Plagusia'', which constitute a widespread group of litophilic, intertidal and subtidal crabs that are notorious for their speed and their agility.<ref>{{cite journal |last=Wilson |first=Kim A. |last2=Gore |first2=Robert H.| year=1980 |title=Studies on decapod crustacea from the Indian River region of Florida. XVII. Larval stages of Plagusia depress (Fabricius, 1775) cultured under laboratory conditions (Brachyura: Grapsidae). |url=http://www.ingentaconnect.com/content/umrsmas/bullmar/1980/00000030/00000004/art00003 |language=en |journal=Bulletin of Marine Science |volume=30 |issue=4 |pages=776–789 |access-date=5 January 2017 }}</ref>

Six genera are currently included in the family:<ref>{{Cite web |title=WoRMS - World Register of Marine Species - Plagusiidae Dana, 1851 |url=https://www.marinespecies.org/aphia.php?p=taxdetails&id=240969 |access-date=2025-05-10 |website=www.marinespecies.org}}</ref> *''Caligoplagusia'' <small>Fujita & Narusa, 2014</small> *''Davusia'' <small>Guinot, 2007</small> *''Euchirograpsus'' <small>H. Milne-Edwards, 1853</small> *''Guinusia'' <small>Schubart & Cuesta, 2010</small> *''Miersiograpsus'' <small>Türkay, 1978</small> *''Plagusia'' <small>Latreille, 1804</small>

==References== {{Reflist}}

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Category:Grapsoidea Category:Decapod families

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