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Cheiragonoidea

Cheiragonidae
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 
Synonyms 

Telmessidae Guinot, 1977


Telmessidae Guinot, 1977

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



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