Only one survey examined habitats that might qualify as cobble with rocks of various sizes overlying coarse shell-sand in 15-35 m of water.
The crab Lophopanopeus bellus, the clams Semele rubropicta and Humilaria kennerlyi, the sipunculid Golfingia pugettensis, the sea cucumbers Leptosynapta clarki and Pentamera spp., the slipper shell Crepidula spp., the barnacles Balanus nubilus and B. rostratus, Octopus rubescens, and the amphipod Byblis veleronis.
Johnson Point (Case Inlet), Admiralty Inlet, numerous other Puget Sound sites.
Lie, 1968; Wennekens, 1959; R. Harman unpubl. data.