WoRMS source details
Lyster, L. L. (1939). Parasites of freshwater fish. i. Internal trematodes of commercial fish in the central St. Lawrence watershed. Canadian Journal of Research Ottawa. 17D (7): 154-168.
378450
Lyster, L. L.
1939
Parasites of freshwater fish. i. Internal trematodes of commercial fish in the central St. Lawrence watershed.
Canadian Journal of Research Ottawa
17D (7): 154-168.
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Ptychogonimus fontanus Lyster, 1939 accepted as Azygia angusticauda (Stafford, 1904) Manter, 1926 (original description)
Saint Lawrence River for Ptychogonimus fontanus Lyster, 1939