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TEXTBOOK OF ZOOLOGY 



Typical Pacific Shore Animals — Cont'd 



NAME 



habitat zone 



Ophvwroidea 



Ophioderma panamensis, brittle starfish 

 Ophioploous esmarlci, sand-colored brittle 



star 

 Amphipholis pugetana, small brittle star- 

 fish 

 Amphiodia ocoidentalis, brittle star 

 OphiophoUs amleata, brittle starfish 

 Echivjoidea 



Strongylocentrotus franciscamis, large sea 



urchin 

 Strongylocentrotus purpuratiis, purple sea 



urchin 

 Lovenia cordiformis, red heart urchin 

 Dendraster exoentricus, sand dollar 

 EchinarachniAis parma, sand dollar 

 Eolotfuu/roid^a 



Cucumaria miniata, sea cucumber 

 Leptosynapta inhaerens, dirty white sea 



cucumber 

 Stichopus calif omicws, brown sea cucumber 



Crustacea 



Copepoda 



Tigriopus fulvus, copepod 



Cirripedia 

 Balarms cariosus, large barnacle 

 Balanus glandula, acorn barnacle 

 Chthamalus fissus, small brown barnacle 

 Balanus rmbilis, large barnacle 

 Mitella polymerias, goose barnacle 

 Balanus tintinnahulum, barnacle 



AmpMpoda 



Amphithoe sp., amphipod 

 Melita palmata, amphipod 

 CapreUa scaura, amphipod 

 Orchestia traslciana, beach hopper 

 Orchestoidea calif orniana, large beach hop- 

 per 



Isopoda 



Cirolana harfordi, drab isopod 

 Ligyda ocoidentalis, large isopod 



Stomatopoda 

 Pseudosquilla higelowi, mantis shrimp 



Becapoda 



Crangon dentipes, snapping shrimp 

 Betaeus longidactylus, long-fingered shrimp 

 PavAilirus interruptus, spiny lobster 

 Pagurus samuelis, hermit crab 

 Pagurvs hirs^itiiiscuhos, common hermit 

 Pagurus granosimanus, small hermit 

 PagviTUS heringanus, large hermit 

 Pagii/rus hemphilli, hermit crab 

 PetroUsthes cinctipes, porcelain crab 



Lower tide pools under rocks 



Middle tide, under rocks 



Under rocks 

 Low tide 

 Low tide 



Lower tide pools 



Lower tide pools 

 Sand flats 

 Sand flats 

 Sand flats 



Lowest intertidal 



Middle tide pools 

 Lower tide pools 



Upper tide pools 



Eocky bay shore 

 High tide rocks 

 High tide rocks 

 Pilings and boats 

 Intertidal rocks 

 Pilings and boats 



Middle tide pool rocks 

 Upper tide pools 

 Kelp, sand, or mud 

 Sand above tide 



Sandy beach among rocks 



Under rocks, all levels 

 Eocky shore, above tide level 



Lower tide pools 



Lower tide pools under rocks 

 Middle tide pools under rocks 

 Lower tide pools 

 Upper tide pools 

 Middle tide pools of bays 

 Upper tide pools of bays 

 Lower tide pools of bays 

 Middle tide pools of bays 

 Middle tide pools of bays 



