MARINE ZOOLOGY 



775 



Typical Pacific Shore Animals — Cont'd 



NAME 



HABITAT ZONE 



Pecten hmdsii, Bcallop 

 Pecten drcidaris, thick scallop 

 Cardita subqundrata, bivalve 

 Schizothaerus Tmttallii, gaper clam 



Gastropoda 



Anisodoris noiilis, sea lemon (nudibranch) 

 Dialula sandiegensis, nudibranch 

 PleurophylUdea californica, nudibranch 

 Tethys californica, sea hare 

 Littorina planaxis, gray littorine 

 Littorina scutulata, checkered littorine 

 Littorina sitchana, Sitka periwinkle 

 Littorina rudis, North Pacific white peri- 

 winkle 

 Purpura folitita, a conch 

 Cypraea spadicea, the cowry 

 CoTvus californicus, cone shell 

 Teg-ula funehralis, black turban snail 

 Tegula trunnea, brown turban 

 Norrisia norrisii, smooth turban 

 Tegula ligulata, banded turban 

 Thais lamellosa, wrinkled purple, snail 

 Polinices lewi9ii, moon snail 

 OliveUa biplicata, purple olive snail 

 Urosalpinx cinereus, oyster drill 

 Crepidula adunca, hooked slipper 

 Lottea gigantea, owl limpet 



Acmnea scaira, scab limpet 

 Acmaea limatula, file limpet 

 Acmaea digitalis, limpet 

 Acmaea scutum patina, plate limpet 

 Acmaea ca^ssis pelt a, shield limpet 

 Acmaea mitra, white cap limpet 

 Acmaea depict a, painted limpet 

 Haliotis nifescens, red abalone 



Amphineura 



Mopalia muscosa, moss chiton 

 KathaHna tunicata, black chiton 

 Cryptochiton stelleri, giant chiton 

 Lepidochitona lineata, lined chiton 



Cephalopoda 

 Polypus iimaculatus, octopus 

 Loligo opalescent, opalescent squid 



Echinodermata 



Asteroidea 

 Pisaster ochraceous, five-rayed starfish 

 Pisaster giganteus capitat\is, five-rayed 



starfish 

 Pisaster hrevispinus, short-spined starfish 

 Evasterias troschelii, small starfish 

 Pycnopodia, helianthoides, large starfish 

 Leptasterias aequalis, six-rayed starfish 

 Patiria mininta, webbed starfish 



Low tide, rocky bay 

 Low tide, rocky bay 

 Low tide pools 

 Substratum burrow 



Middle tide pools 

 Eocks, middle tide pools 

 Low tide level, open bay 

 Eocky middle tide pools 

 Eocky shore, high tide level 

 Eocky shore, upper tide pools 

 High tide bay 



High tide bay 



Eocky shore, lower tide pools 



Eocky shore, lower tide pools 



Eocky shore, lower tide pools 



Upper tide pools 



Eocks, middle tide pools 



Eocky shore, lower tide pools 



Eocky shore, lower tide pools 



Eocky shore, bay 



Low tide level, open bay 



Low tide level, open bay 



Mud flats, intertidal 



Middle tide pools 



Eocky shore, high intertidal 



zone 

 Eocky shore, upper tide pools 

 Eocky shore, upper tide pools 

 Eocky shore, high tide level 

 Eocks, middle tide pools 

 Eocks, middle tide pools 

 Eocks, middle tide pools 

 Eocks, lower tide pools 

 Lower tide pools 



Intertidal rocks 

 Intertidal rocks 

 Eocks at low tide 

 Low tide level 



Lower tide pools 



Washed ashore occasionally 



Lower tide pools under rocks 



Lower tide pools under rocks 

 Below tide line 

 Below tide line 

 Below tide line 

 Middle tide pool rocks 

 Middle tide on rocks 



