Lithodidae Dromiidae Atelecyclidae Cancridae Pirimelidae Cheiragonidae Dorippidae Eriphiidae Epialtidae Inachidae Oregoniidae Pilumnidae Geryonidae Portunidae Potamidae Panopeidae Xanthidae Grapsidae Images Name list Publications Sites alex@equator.ru Whole checklist По-русски (in Russian) Porcellanidae Varunidae Camptandriidae Macrophthalmidae Pinnotheridae Hapalogastridae Plagusiidae Far East / North Pacific Black Sea Baltic Sea Freshwater crabs Arctic Ocean Designed and composed by Alex Alyakrinsky, 2011 Oregoniidae Hyas coarctatus Leach, 1815 Arctic Ocean Common name: toad crab  Range. “H. c. coarctatus ranges from off North Carolina northeasterly with the trend of the  Gulf Stream to northwestern Europe, thence eastward in the Arctic to the Murman Sea.”  [Williams, 1984, p. 310].  Size. “Measurements in mm. —Carapace: male, length 30.2, width 19.7 (off Cape Cod); male,  length 51.5, width 35 (Murman Sea) (both typical form, Rathbun 1925); male, length 8-62;  female, length 9-45 (Squires 1967).” [Williams, 1984, p. 310].  Hyas coarctatus Leach, 1815 Hyas coarctatus Leach 1815b: 329. —Rathbun 1925:258, text-fig. 93, pls. 94-97. —Christiansen 1969: 118, fig. 49. [Williams, 1984, p. 310]. Hyas coarctatus in marinespecies.org Hyas coarctatus in species-identification.org