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Temporal range: Albian
Scientific classification
Kingdom: Animalia
Phylum: Arthropoda
Subphylum: Crustacea
Class: Malacostraca
Order: Decapoda
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 roberti
Feldmann, Schweitzer & Green, 2008 [1]

Componocancer roberti is an unusual 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. ^ Rodney M. Feldmann, Carrie E. Schweitzer & Robin M. Green (2008). "Unusual Albian (Early Cretaceous) Brachyura (Homoloidea: Componocancroidea New Superfamily) from Montana and Wyoming, U.S.A.". Journal of Crustacean Biology. 28 (3): 502–509. doi:10.1651/07-2933R.1.