A new species of <i>Dynoides</i> Barnard, 1914 (Crustacea, Isopoda, Sphaeromatidae) from Canada, with notes on geographic distribution of the north-eastern Pacific Ocean species

Dynoides canadensis sp. nov. is described from the south-western coast of British Columbia, Canada. This species differs its closely related species, D. elegans (Boone, 1923) ), by presence a smooth pleotelson without prominent rounded tubercle on basal part pleotelsonic sinus, sinus wall lacking crenulation; in having penial processes length 7.7 × width and acute distal apex instead 2.3 blunt elegans. new also has an appendix masculina with extending somewhat beyond base, not reaching base as case for A map distribution north-eastern Pacific Barnard, 1914 (D. 1921); crenulatus saldanai Carvacho & Haasmann, 1984; dentisinus Shen 1929) provided. The abundant western coastal zone Columbia. revised generic diagnosis provided genus Dynoides.Publication LSID: lsid:http://zoobank.org:pub:ADF85BE9-C307-43EA-B270-1B2DB2F61883