| Componocancer Temporal range:   | |
|---|---|
|  Scientific classification   | |
| Domain: | Eukaryota | 
| Kingdom: | Animalia | 
| Phylum: | Arthropoda | 
| Class: | Malacostraca | 
| Order: | Decapoda | 
| Suborder: | Pleocyemata | 
| Infraorder: | Brachyura | 
| Section: | Eubrachyura | 
| Subsection: | Heterotremata | 
| Superfamily: | † Componocancroidea  Feldmann, Schweitzer & Green, 2008  | 
| Family: | † Componocancridae  Feldmann, Schweitzer & Green, 2008  | 
| Genus: | † Componocancer  Feldmann, Schweitzer & Green, 2008  | 
| Species: | †C. robertii  | 
| Binomial name | |
| †Componocancer robertii Feldmann, Schweitzer & Green, 2008 [1]   | |
Componocancer roberti is a species of fossil crab described in 2008. It lived in the Albian age (Early Cretaceous) in what is now Montana. The species is unlike any other described crab, and is therefore placed in its own family and superfamily. [1]