Pilumnoidea

{{Short description|Superfamily of crabs}}

{{Automatic taxobox

| fossil_range = {{fossil_range|Maastrichtian|Recent}}

| image = Pilumnus hirtellus.jpg

| image_caption = Pilumnus hirtellus

| taxon = Pilumnoidea

| authority = Samouelle, 1819

| subdivision_ranks = Families

| subdivision =

}}

Pilumnoidea is a superfamily of crabs,{{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 }}{{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}} whose members were previously included in the Xanthoidea.{{cite book |url=http://atiniui.nhm.org/pdfs/3839/3839.pdf |title=An Updated Classification of the Recent Crustacea |author1=Joel W. Martin |author2=George E. Davis |name-list-style=amp |year=2001 |pages=132 |publisher=Natural History Museum of Los Angeles County }} The three families are unified by the free articulation of all the segments of the male crab's abdomen and by the form of the gonopods. The earliest fossils assigned to this group are of Eocene age.{{cite journal |url=http://dpc.uba.uva.nl/ctz/vol72/nr02/art23 |journal=Contributions to Zoology |volume=72 |issue=2/3 |year=2003 |title=Progress on the fossil Xanthoidea MacLeay, 1838 (Decapoda, Brachyura) |author=Carrie E. Schweitzer}}

Classification

Pilumnidae is by far the largest of the three families, with 73 of the 78 genera:

{{div col|colwidth=24em}}

;Pilumnidae Samouelle, 1819

;Galenidae Alcock, 1898

;Tanaochelidae Ng & P. F. Clark, 2000

{{div col end}}

Gallery

Crinoid crabs, house reef night, wakatobi, 2018 (30873050267).jpg|Crinoid crab one of Pilumnidae Family at Wakatobi National Park, 2018 {{Cite news|title=Crinoid crabs - Family Pilumnidae | url=http://www.wildsingapore.com/wildfacts/crustacea/crab/pilumnidae/featherstar.htm#:~:text=This%20tiny%20crab%20is%20found,Features%3A%20Body%20width%201cm. |work=wildsingapore.com |date=2019-12-31 |access-date=2023-05-07}}

Crinoid crab 1, house reef night, wakatobi, 2018 (45812934981).jpg|Crinoid crab at Wakatobi National Park, 2018

Crinoid crab 2, house reef night, wakatobi, 2018 (30873186857).jpg|Crinoid crab at Wakatobi National Park, 2018

References

{{Reflist}}

{{Brachyura}}

{{Taxonbar|from=Q902989}}

Category:Crabs

Category:Extant Maastrichtian first appearances

Category:Arthropod superfamilies

{{Pilumnoidea-stub}}