HOST LIST 61 



Family PLANORBIDAE 



Helisoma subcrcatiim (?) (error oi H. subcrenatus ?) 



Synonym of Planorbis trivolvis subcrenatus 



Planorbis sp. 



Cercaria hirsuta 



Cercaria granula 



Cercaria absurda 



Cercaria bulbocaudata 



Cercaria cita 



Cercaria tuckcrensis 



Planorbis trivolvis subcrenatus Carpenter 



Halipegus occidualis 



Order PROSOBRANCHIATA 



Family BULIMIDAE 



Flumenicola virens (Lea) 



Allassogonoporus marginalis 

 CephalophaUus obscurus 

 Plagioporus virens 

 Sanguinicola klamathensis 



Family CERITHIIDAE 



Bittium eschrichti Middendorf 



Cercaria purpuracaudata 



Family MURICIDAE 



Pterorytis foliata Gmelin 



Synonym : Purpura foliata 



Cercaria foliata 



Purpura foliata — synonym of Pterorytis foliata 



Thais emarginata (Deshayes) 



Cystophorous cercaria A 



Thais lamellosa (Gmelin) 



Cystophorous cercaria B 



Family NEPTUNEIDAE 



Searlesia dira (Reeve) 



Cercaria searlesiae 



Family PLEUROCERIDAE 



Goniobasis plicifera silicula — synonym of Oxytrema silicula 



Goniobasis silicida — synonjin of Oxytrema silicula 



Oxytre^na silicula (Gould) 



