Home  

Random  

Nearby  



Log in  



Settings  



Donate  



About Wikipedia  

Disclaimers  



Wikipedia





Metacarcinus: Difference between revisions





Article  

Talk  



Language  

Watch  

View history  

Edit  






Browse history interactively
 Previous edit
Content deleted Content added
VisualWikitext
cant find this assertion in the paper....
NOTE: The previous edit as of 16:28, 23 November 2018‎, copied/translated content from the Wikipedia page at pl:Metacarcinus; see its history for attribution. (WP:RIA)
 
(29 intermediate revisions by 20 users not shown)
Line 1:
{{Short description|Genus of crabs}}
{{Automatic Taxobox
| image = Cancergracilis.jpg
| fossil_range = {{fossil_range|Oligocene|Recent}}
| image_caption = ''[[Metacarcinus gracilis]]''
| image =Cancer magister (James Dwight Dana).jpg
| regnum = [[Animal]]ia
| genustaxon = '''''Metacarcinus'''''
| phylum = [[Arthropod]]a
| genus_authorityauthority = [[Alphonse Milne-Edwards|A. Milne-Edwards]], 1862
| subphylum = [[Crustacean|Crustacea]]
| image_captiontype_species = ''[[Dungeness crab|Metacarcinus gracilismagister]]''
| classis = [[Malacostraca]]
| type_species_authority = [[James Dwight Dana|Dana]], 1852
| ordo = [[Decapoda]]
| infraordo = [[Crab|Brachyura]]
| familia = [[Cancridae]]
| genus = '''''Metacarcinus'''''
| genus_authority = [[Alphonse Milne-Edwards|A. Milne-Edwards]], 1862
| subdivision_ranks = Species
| subdivision =
*see text
}}
 
'''''Metacarcinus''''' is a genus of [[crab]]s formerly included in the genus ''[[Cancer (genus)|Cancer]]''.<ref name="Ng">{{cite journal |journal=[[Raffles Bulletin of Zoology]] |year=2008 |volume=Suppl. 17 |pages=1–286 |title=Systema Brachyurorum: Part I. An annotated checklist of extant Brachyuran crabs of the world |author=P.Peter K. L. Ng, D.|author2=Danièle Guinot & P.|author3=Peter J. F. Davie |name-list-style=amp |url=https://lkcnhm.nus.edu.sg/app/uploads/2017/04/s17rbz.pdf |url-status=live |archiveurl=https://web.archive.org/web/20110606061453/http://rmbr.nus.edu.sg/rbz/biblio/s17/s17rbz.pdf |archivedate=2011-06-06 }}</ref> It includes nine exclusively [[fossil]] species and five extant species, of which four are also known from the fossil record.<!--ref Thename="Grave">{{cite journal|journal=[[monophylyRaffles Bulletin of Zoology]] |year=2009 |volume=Suppl. 21 |pages=1–109 |title=A classificationofthisliving genusand wasfossil notgenera supportedof bydecapod crustaceans |author1=Sammy De Grave |author2=N. Dean Pentcheff |author3=Shane T. Ahyong |url=https://lkcnhm.nus.edu.sg/app/uploads/2017/06/s21rbz1-109.pdf |display-authors=etal |url-status=live |archiveurl=https://web.archive.org/web/20110606064728/http://rmbr.nus.edu.sg/rbz/biblio/s21/s21rbz1-109.pdf |archivedate=2011-06-06 }}</ref> aA [[molecular phylogenetics|molecular study]] using the [[Cytochrome c oxidase|cytochrome oxidase I]] gene does not support the [[monophyly]] of this genus.<ref>{{cite journal |authorauthor1=Michelle K. Harrison and |author2=Bernard J. Crespi |name-list-style=amp |year=1999 |title=Phylogenetics of ''Cancer'' Crabs (Crustacea: Decapoda: Brachyura) |journal=[[Molecular Phylogenetics and Evolution]] |volume=12 |issue=2 |pages=186–199 |url=http://decapoda.arthroinfo.org/pdfs/4160/4160.pdf |format=[[Portable Document Format|PDF]] |doi=10.1006/mpev.1998.0608 |pmid=10381321}}</ref> where?-->
 
==Description==
*''[[Metacarcinus anthonyi]]'' (Pliocene to recent)
''Metacarcinus'' crabs have an oval carapace of about ⅔ of its largest width, with a surface with poorly marked division of smooth or gently colored regions. The front edge usually does not protrude before orbital, and the total length of these edges is 26–34% of the largest width of the carapace, with 5 spikes, including inner orbits, of which the middle springs lower than the others. 9–10 spikes are located on both anteroposterior lateral sides of the carapace; they can be of different shapes. The lateral edges are edged and can have one spike. The claws propodite is characterized by an upper edge at an angle of about 120° to the distal edge, equipped with sharp spines or grained or smooth keel. On the external surface of the propodite there are usually 4 balls. The cutting edges of the pliers' fingers of the claw have sharp teeth. The fixed finger has two points: middle and on the bottom edge.
*†''[[Metacarcinus danai]]'' (Miocene, California)
 
*†''[[Metacarcinus davidi]]'' (Miocene to Pliocene, Califonia)
==Extant species==
*''[[Metacarcinus edwardsii]]''
Included species:<ref name="SandF2000">{{cite journal |author1=Carrie E. Schweitzer |author2=Rodney M. Feldmann |name-list-style=amp |year=2000 |title=Re-evaluation of the Cancridae Latreille, 1802 (Decapoda: Brachyura) including three new genera and three new species |journal=[[Contributions to Zoology]] |volume=69 |issue=4 |pages=223–250 |doi=10.1163/18759866-06904002 |url=http://dpc.uba.uva.nl/ctz/vol69/nr04/art02 |access-date=2010-10-17 |archive-url=https://archive.today/20121209003405/http://dpc.uba.uva.nl/ctz/vol69/nr04/art02 |archive-date=2012-12-09 |url-status=dead |doi-access=free }} Also available as [http://decapoda.nhm.org/pdfs/10785/10785.pdf PDF].</ref>
*†''[[Metacarcinus goederti]]'' (Oligocene, Alaska)
{| class="wikitable"
*''[[Metacarcinus gracilis]]'' (Pliocene to recent)
|-
*''[[Metacarcinus granti]]''
! Image !! Scientific name!! Common Name !! Distribution
*†''[[Metacarcinus izumoensis]]'' (Miocene, Japan)
|-
*†''[[Metacarcinus jenniferae]]'' (Middle Pliocene, California)
|[[File:Canceranthonyi.jpg|120px]] || ''[[Metacarcinus anthonyi]]'' ||yellow rock crab or yellow crab || Pacific coast of North America
*''[[Dungeness crab|Metacarcinus magister]]'' (Pliocene to recent)
|-
*†''[[Metacarcinus minutoserratus]]'' (Pliocene, Japan)
|[[File:Cancer edwardsii -Jaiba marmola Valpo f1.2.jpg|120px]] || ''[[Metacarcinus edwardsii]]'' || mola rock crab, southern rock crab, or Chilean rock crab|| Pacific coast between Guayaquil in Ecuador and the Beagle Channel in the southernmost Chile
*''[[Metacarcinus novaezelandiae]]''
|-
*†''[[Metacarcinus starri]]'' (Early Oligocene, Washington)
|[[File:Metacarcinus gracilis.jpg|120px]] || ''[[Metacarcinus gracilis]]'' ||graceful rock crab or slender crab || from Alaska to Bahía Magdelena, Baja California
|-
|[[File:Dungeness Crab - Flickr - brewbooks.jpg|120px]] || ''[[Dungeness crab|Metacarcinus magister]]'' ||Dungeness crab || west coast of North America
|-
|[[File:Pie Crust Crab.jpg|120px]] || ''[[Metacarcinus novaezelandiae]]'' ||Pie crust crab || New Zealand and south-eastern Australia.
|-
|}
 
==Fossils==
*† ''[[Metacarcinus danai]]'' (Miocene, California)
*† ''[[Metacarcinus davidi]]'' (Miocene to Pliocene, CalifoniaCalifornia)
*† ''[[Metacarcinus goederti]]'' (Oligocene, Alaska)
*''[[Metacarcinus edwardsiiizumoensis]]'' (Miocene, Japan)
*† ''[[Metacarcinus izumoensisjenniferae]]'' (MioceneMiddle Pliocene, JapanCalifornia)
*''[[Metacarcinus anthonyiminutoserratus]]'' (Pliocene, to recentJapan)
*''[[Metacarcinus gracilisstarri]]'' (PlioceneEarly toOligocene, recentWashington)
 
==References==
{{reflistReflist|32em}}
 
==External links==
*{{Commons category-inline|Metacarcinus|''Metacarcinus''}}
 
{{Taxonbar|from=Q6822374}}
 
{{crab-stub}}
[[Category:Cancroidea]]
[[Category:Decapod genera]]
[[Category:Extant Oligocene first appearances]]
[[Category:Taxa named by Alphonse Milne-Edwards]]
 
 
{{crab-stub}}

Retrieved from "https://en.wikipedia.org/wiki/Metacarcinus"
 




Languages

 



This page is not available in other languages.
 

Wikipedia




Privacy policy

About Wikipedia

Disclaimers

Contact Wikipedia

Code of Conduct

Developers

Statistics

Cookie statement

Terms of Use

Desktop