* Spiroxys sp.

Sites: alimentary tract, mesenteries, viscera

Hosts: Ambloplites rupestris (9); Ameiurus nebulosus (9); Catostomus commersonii (5); Catostomus macrocheilus (3); Culaea inconstans (13); Etheostoma nigrum (2, 4); Fundulus diaphanus (6); Lepisosteus osseus (9); Lepomis gibbosus (3, 7); Luxilus cornutus (13); Micropterus dolomieu (11); Morone chrysops (11); Notropis heterolepis (2, 12); Notropis hudsonius (4); Perca flavescens (2, 4, 8); Phoxinus neogaeus (13); Pimephales notatus (2); Ptychocheilus oregonensis (3); Rhinichthys cataractae (10); Richardsonius balteatus (3); Semotilus atromaculatus (13); Umbra limi (1, 9, 12)

Distribution: British Columbia, Nova Scotia, Ontario

Records: 1. Bangham & Hunter 1939 (ON); 2. Bangham 1951 (ON); 3. Bangham & Adams 1954 (BC); 4.

Bangham 1955 (ON); 5. Dechtiar 1972a; 6. Wiles 1975 (NS); 7. Cone & Anderson 1977 (ON); 8. Baker 1984b (ON); 9. Dechtiar & Christie 1988 (ON); 10. Dechtiar & Lawrie 1988 (ON); 11. Dechtiar & Nepszy 1988 (ON); 12. Dechtiar et al. 1988 (ON); 13. Dechtiar et al. 1989 (ON)