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 Hapalogastridae Oedignathus inermis (Stimpson, 1860) = Dermaturus inermis Far East / North Pacific Range and habitat. From Peter the Great Gulf  (Sea of Japan) and Tsugaru Strait to Tsushima  Strait and from Unalaska Island to California, coastal zone among stones. [Vinogradov, 1950, p.  231]. Size of carapace. 17,0 x 16,0 mm (length x width). [Makarov, 1938, p. 246].  15 mm length.  [Zhirmunskiy, 1976, p. 53].  Oedignathus inermis (Stimpson, 1860). Hapalogaster inermis Stimpson, Ann. Lye. Nat. Hist. N. Y., vn, 243, 1860.  Hapalogaster Brandti Schalfeew, Mel. biol., XIII, 330, 1892, figs. I and 5b, of the Bull.  Acad. imp. sci. St. Petersbourg, xxxv, 336, 1892.  Oedignathus gilli Benedict, Proc. U. S. Nat. Mus., xvn, 487, 1894.  Oedignathus inermis Holmes, Occas. Papers Calif. Acad. Sci., vn, 119, 1900,  and synonymy.  Oedignathus Brandti Holmes, op. cit., 118, and synonymy.  [Rathbun, 1904, p. 163].