Mathildellidae

{{Short description|Family of crabs}}

{{automatic taxobox

| image = Branchioplax washingtoniana 01 SR EC 07-01-13.jpg

| image_caption = †Branchioplax washingtoniana

| display_parents = 3

| taxon = Mathildellidae

| authority = Karasawa & Kato, 2003

}}

Mathildellidae is family of crabs belonging to the superfamily Goneplacoidea, containing the following genera:{{cite journal |last1=Ng |first1=Peter K. L. |author-link=Peter Kee Lin Ng |last2=Guinot |first2=Danièle |author-link2=Danièle Guinot |last3=Davie |first3=Peter J. F. |date=January 2008 |title=Systema Brachyurorum: Part I. An annotated checklist of extant Brachyuran crabs of the world |url=https://lkcnhm.nus.edu.sg/wp-content/uploads/sites/10/app/uploads/2017/04/s17rbz.pdf |url-status=live |journal=Raffles Bulletin of Zoology |volume=17 |pages=1–286 |archive-url=https://web.archive.org/web/20110606061453/http://rmbr.nus.edu.sg/rbz/biblio/s17/s17rbz.pdf |archive-date=6 June 2011 |access-date=8 June 2011 |via=the National University of Singapore}}{{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 |display-authors=etal |url-status=dead |archiveurl=https://web.archive.org/web/20110606064728/http://rmbr.nus.edu.sg/rbz/biblio/s21/s21rbz1-109.pdf |archivedate=2011-06-06 }}

• Beuroisia Guinot & Richer de Forges, 1981
• †Branchioplax Rathbun, 1916
• †Coeloma A. Milne-Edwards, 1865
• Intesius Guinot & Richer de Forges, 1981
• Mathildella Guinot & Richer de Forges, 1981
• Neopilumnoplax Serène, 1969
• Platypilumnus Alcock, 1894
• †Tehuacana Stenzel, 1944