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Gastropods 

Family Trochidae






Home > Northwest Shells & Marine Life > PNW Shells & Marine Life Photos > Gastropods >  Gastropods - Trochidae

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Click on photo to enlarge.  Scale line in photo equals 1cm unless otherwise specified.
* Species which are commonly encountered on the beach.


















Calliostoma canaliculatum Calliostoma canaliculatum Callistoma comparison
                                                                     photographed subtidally                             Calliostoma comparison
Calliostoma canaliculatum (Lightfoot, 1786)
Channelled Topsnail






























Calliostoma variegatum Calliostoma variegatum Calliostoma variegatum
                                                                photographed subtidally               subtidal specimen brought to shore
Calliostoma variegatum (Carpenter, 1864)
Variable Topsnail






Calliostoma ligatum Calliostoma ligatum Calliostoma ligatum
                                                                                      photographed intertidally
Calliostoma ligatum  (Gould, 1849)
Blue Topsnail *







Calliostoma annulatum Calliostoma annulatum Calliostoma annulatum
                                                                                               photographed subtidally
Calliostoma annulatum (Lightfoot, 1786)
Purple-Ring Topsnail



Chlorostoma funebralis Chlorostoma funebralis Chlorostoma funebralis
                                                                                  photographed intertidally
Chlorostoma funebralis (A.Adams, 1855)
Black Turban *















Lirularia lirulata
Lirularia lirulata (Carpenter, 1864)
Pearly Topsnail

















Margarites pupillus Margarites pupillus
                                                                                                                                     photographed in an aquarium
Margarites pupillus (Gould, 1849)
Puppet Margarite *







Lirularia succincta Lirularia succincta
                                                                   photographed intertidally
Lirularia succincta (Carpenter, 1864)
Tucked Topsnail









Margarites beringiensis
Margarites beringiensis (E.A. Smith, 1899)
Bering Margarite








Promartynia pulligo
Promartynia pulligo (Gmelin, 1791)
Dusky Turban








Margarites helicinus Margarites helicinus
                                                                                                                                                            photographed intertidally
Margarites helicinus Phipps, 1874
Helicina Margarite



















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This page last revised: 8-10-2011  



Bathybembix bairdii
Bathybembix bairdii (Dall, 1889)
Baird's Top Shell
























Cidarina cidaris
Cidarina cidaris (Carpenter, 1864)
Spiny Topsnail