| Metacarcinus Temporal range:
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Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Arthropoda |
| Class: | Malacostraca |
| Order: | Decapoda |
| Suborder: | Pleocyemata |
| Infraorder: | Brachyura |
| Family: | Cancridae |
| Genus: | Metacarcinus A. Milne-Edwards, 1862 |
| Type species | |
| Metacarcinus magister Dana, 1852
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Metacarcinus is a genus of crabs formerly included in the genus Cancer.[1] It includes nine exclusively fossil species and five extant species, of which four are also known from the fossil record.[2] A molecular study using the cytochrome oxidase I gene does not support the monophyly of this genus.[3]
- ^ Peter K. L. Ng; Danièle Guinot & Peter J. F. Davie (2008). "Systema Brachyurorum: Part I. An annotated checklist of extant Brachyuran crabs of the world" (PDF). Raffles Bulletin of Zoology. Suppl. 17: 1–286. Archived (PDF) from the original on 2011-06-06.
- ^ Sammy De Grave; N. Dean Pentcheff; Shane T. Ahyong; et al. (2009). "A classification of living and fossil genera of decapod crustaceans" (PDF). Raffles Bulletin of Zoology. Suppl. 21: 1–109. Archived (PDF) from the original on 2011-06-06.
- ^ Michelle K. Harrison & Bernard J. Crespi (1999). "Phylogenetics of Cancer Crabs (Crustacea: Decapoda: Brachyura)" (PDF). Molecular Phylogenetics and Evolution. 12 (2): 186–199. doi:10.1006/mpev.1998.0608. PMID 10381321.