Cheiragonoidea
| Cheiragonidae Temporal range: Eocene–Recent |
|
|---|---|
 |
|
| 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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