RANGE OF SPECIES 
CIRCUMBOREAL SPECIES 
Amicula vestitus 
Hanleya hanleyi 
Lepidochitona sharpei 
Lepidopleurus cancellatus 
Margarites cinereus 
Margarites helicinus 
Margarites marginatus 
Margarites olivaceus 
Margarites sordidus 
Margarites umbilicalis 
Natica affinis 
Natica alcutica 
Polinices gronlandicus 
Polinices nanus 
Solariella obscura 
Solariella varicosa 
Velutina laevigata 
Velutina zonata 
RANGE TO GULF OF CALIFORNIA AND LOWER CALIFORNIA 
Acanthochiton avicula 
Acmaea asmi 
Acmaea depicta 
Acmaea, v. funiculata 
Acmaea incessa 
Acmaea limatula 
Acmaea paleacea 
Acmaea, v. pelta 
Acmaea persona 
Acmaea rosacea 
Acmaea scabra 
Acmaea spectrum 
Acmaea triangularis 
Astraea undosa 
Calliostoma eximium 
Calliostoma gemmulatum 
Callistochiton decoratus 
Callistochiton palmulatus 
Callistochiton, 
v. punctocostatus 
Calyptraea contorta 
Chaetopleura beanii 
Chaetopleura gemmea 
Chaetopleura parallela 
Chaetopleura prasinata 
Chaetopleura thamnopora 
Cidarina ceratophora 
Cidarina cidaris 
Cidarina equatorialis 
Crepidula exuviata 
Crepidula, v. fimbriata 
Crepidula nummaria 
Cyclostrema baldridgae 
Diadora aspera 
Diadora, v. densiclathrata 
Diadora murina 
Fissurella, v. crucifera 
Haliotis, v. bonita 
Haliotis californiensis 
Haliotis corrugata 
Haliotis cracherodii 
Haliotis fulgens 
Haliotis, v. holzneri 
Haliotis rufescens 
Ischnochiton acrior 
Ischnochiton, v. acutior 
Ischnochiton aureotinctus 
Ischnochiton clathratus 
Ischnochiton corrugatus 
Ischnochiton fallax 
Ischnochiton magdalenensis 
Ischnochiton sarcosus 
Ischnochiton scabricostatus 
Ischnochiton serratus 
Lamellaria rhombica 
Lepidochitona dentiens 
Lepidochitona hartwegii 
Lepidochitona, v. nuttalli 
Lepidopleurus farallonis 
Lepidopleurus rugatus 
Leptothyra bacula 
Leptothyra lurida 
Liotia acuticostata 
Liotia cookeana 
Lottia gigantea 
Lucapinella callomarginata 
Megatebennus bimaculatus 
Megathura crenulata 
Mopalia ciliata 
Mopalia, v. hindsii 
Mopalia, v. lignosa 
Mopalia muscosa 
Natica salimba 
Norrisia norrisii 
Nuttallana fluxa 
Oldroydia percrassa 
Pallochiton lanuginosus 
Phasianella compta 
Phasianella pulloides 
Phasianella, v. punctulata 
Phasianella typica 
Placiphorella velata 
Placiphorella stimpsoni 
Polinices recluzianus 
Puncturella cucullata 
Scissilabra dalli 
Sinum californicum 
Sinum debile 
Tegula aureotincta 
Tegula funebralis 
Tegula impressa 
Tegula ligulata 
Tegula regina 
Tegula rugosa 
Tegula, v. tincta 
Tegula, v. umbilicata 
Teinostoma invallata 
Teinostoma supravallata 
Turcica caffea 
Vitrinella oldroydi 
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