72 TREMATODES OF THE PACIFIC NORTHWEST 



Schastodes nehulosus (Ayres) Yellow-striped Rock-fish 

 Lepidapedon pugetensis 

 Megalocotyle marginata 



Sebastodes nigrocinctus (Ayres) Black-banded Rock-fish 

 Tubiilovesicula lindbergi 



Sebastodes paucispinus (Ayres) Bocaccio 

 Derogcnes crassus 

 Megalocotyle trituba 



Sebastodes pinniger (Gill) Orange Rock-fish 

 Megalocotyle trituba 



Sebastodes ruberriuius Cramer Red Snapper 

 Hemmrus levinseni 

 Lecifhochirium exodicum 

 Megalocotyle trituba 

 Opechona alaskcnsis 



Sebastodes sp. 



Aporocotylc simplex 

 Derctrcma cholaeutn 

 Entobdella squamula 

 Gyrodactylus elegans 

 Opechona occidentalis 

 Podocotyle abitionis 

 Stephanostomum casum 



Family SQUALIDAE 



Somniosus microccphalus (Schneider) Sleeper Shark 

 Squalonchocotyle somniosi 



Squalus suckleyi (Girard) Dog-fish 



Squalonchocotyle abbreviata 



Squalus sucklii — see 5". suckleyi 



Family STICHAEIDAE 



Anoplarchus purpurescens Gill Coxcomb 



Tubulovesicula lindbergi 

 Lunipenus sagitia (Willimovsky) Pacific Snake Blenny 



Xiphistcr atropurpurcus (Kittlitz) Black Blenny 

 Podocotyle atomon 



Family SYNGNATHIDAE 



Syngnathus griseo-lineatus Ayres Pipe-fish 

 Podocotyle atomon 

 Podocotyle reflexa 



