Intertidal Invertebrates of the Central California Coast: S.F. Light's "Laboratory and Field Text in Invertebrate Zoology"

abdomen abundant Acmaea algae amphipods anal animals Annelids antenna aperture Arthropoda ascidians atrial barnacles beach bivalves body borers branched branchiae brown bryozoans burrowing California californiensis carapace Chelifores chitons Chordata cirri clam coast colony color common conspicuous copepods ctenidia ctenidium dark distal dorsal ecological elongate encrusting Entoprocta exposed fauna flats flattened fresh-water gastropods genera girdle gnathopod groove habitats Hartman hydroids intertidal invertebrates isopods larvae lateral legs lobes longitudinal male mantle margin mid-tidal Mollusca Monterey mussel occur operculum orifice Pacific pair palp palpi parapodia phoronids phylum Plants plates pleopods polychaetes posterior present proboscis prostomium radial ribs ridges rocks rows sand sculpture segments setae shell side siphons smooth species specimens spicules spines sponges Stimpson Suborder substrate surface telson tentacles thoracic tidal tide pools tooth tubercles tubes umbo Uropods usually valves ventral whorl zoöecia zoöids