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Temporal range: Eocene–Recent
Erimacrus isenbeckii.jpg
Erimacrus isenbeckii
Scientific classification
Kingdom: Animalia
Phylum: Arthropoda
Subphylum: Crustacea
Class: Malacostraca
Order: Decapoda
Infraorder: Brachyura
Section: Eubrachyura
Subsection: Heterotremata
Superfamily: Cheiragonoidea
Ortmann, 1893
Family: Cheiragonidae
Ortmann, 1893 [1]
Synonyms [2]

Telmessidae Guinot, 1977

Cheiragonidae is a small family of crabs, sometimes called helmet crabs,[1] placed in its own superfamily, Cheriagonoidea.[2][3] It comprises three extant species, Erimacrus isenbeckii, Telmessus acutidens and Telmessus cheiragonus,[2] there are no yet evidences of Cheiragonidae in the fossil record.[3][4] Many of these crabs were formerly treated as members of the Atelecyclidae.[5][6]


  1. ^ a b "Cheiragonidae". Integrated Taxonomic Information System. 
  2. ^ a b c 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. 17: 1–286. Archived from the original (PDF) on 2011-06-06. 
  3. ^ a b 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 from the original (PDF) on 2011-06-06. 
  4. ^ Ossó, À.; Domínguez, J.L. (2013). "A proposal for a new family: Montezumellidae (Crustacea,Decapoda, Brachyura) and description of new genus and species Moianella cervantesi from the Priabonian (late Eocene) of Catalonia (NE of Iberian Peninsula)". Boletín de la Sociedad Geológica mexicana. 65 (2): 285–298.
  5. ^ Joel W. Martin; George E. Davis (2001). An Updated Classification of the Recent Crustacea (PDF). Natural History Museum of Los Angeles County. p. 132. 
  6. ^ Carrie E. Schweitzer; Eric W. Salva (2000). "First recognition of the Cheiragonidae (Decapoda) in the fossil record and comparison of the family with the Atelecyclidae". Journal of Crustacean Biology. 20 (2): 285–298. doi:10.1651/0278-0372(2000)020[0285:FROTCD]2.0.CO;2. 

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