Alphabetical Listing of Genera within this Taxa Group:
genus     Bothromaia T4036610
genus     Chionoecetes T4003616
genus     Ergasticus T4007373
genus     Hyas T4000501
genus     Macroregonia T4006268
genus     Oregonia T4003432
genus     Pleistacantha T4004931
genus     Pleisticanthoides T4039999