Sites: intestinal wall, mesenteries, stomach wall
Hosts: Acipenser transmontanus (7); Atheresthes stomias (6); Clupea pallasi (2, 3); Hippoglossus stenolepis (9, 10, 11); Mallotus villosus (8); Microstomus pacificus (6); Oncorhynchus mykiss (4); Theragra chalcogramma (5, 6); unspecified “fish” (1)
Distribution: Atlantic, British Columbia, Pacific
Records: 1. Boyce 1971 (PA); 2. Arthur 1978 (PA); 3. Arthur & Arai 1980a (PA); 4. Anon. 1984 (BC); 5. Arthur 1984 (PA); 6. Kabata & Whitaker 1984 (PA); 7. Margolis & McDonald 1986 (BC); 8. Arthur et al. 1985 (AT); 9. Blaycock 1996 (PA); 10. Blaycock et al. 1998a (PA); 11. Blaycock et al. 1998b (PA)