90 Parasites of Foxes 
Ascocotyle nana Ransom, 1920. 
Same data as for A. longa. 
Conchosomum alalum (Goeze, 1782) Railliet, 1896. 
(Synonyms: Alarm vulpis Schrank, 1788; Festucaria alata Schrank, 1790; 
Fasciola alata Rud. 1793; Distoma alatum Zed., 1800; Holostomum alatum 
Nitzsch, 1819; Hemistomum alatum Dies, 1850; Diplostomum alatum Parona, 
1894.) 
According to Olsson (1876) from Vulpes alopax and V. lagopus. 
Reported for various hosts in Europe, Egypt, Brazil and New South Wales. 
Cotylophallus venustus Ransom, 1920. 
Intestine of Alaskan fox, Vulpes lagopus, National Zoological Park, 
Washington, D.C. 
Echinostoma trigonocephalum (Rud. 1803) Cobbold, 1860. 
(Synonyms: Fasciola trigonocephala Rud. 1802; Distoma trigonocephalum 
Rud. 1809.) 
Reported by Stossich (1892) for Vulpes vulpes , intestine. 
Heterophyes heterophyes (Siebold, 1852) Stiles and Hassall, 1900. 
(Synonym: Coenogonimum heterophyes.) 
Looss (1902) records it doubtfully from fox. 
Metorchis conjunctus (Cobbold, 1860) Looss, 1899. 
(Synonym: Distomum conjunctum Cobbold, 1860.) 
“Numerous examples in the liver of the American red fox, Camsfulvus ”— 
Cobbold (1860). 
Opisthorchis felineus (Rivolta, 1884) Blanchard, 1895. 
(Synonym: Distomum conus Gurlt, 1831, nec Creplin, 1825.) 
Gall ducts of fox, as well as of dogs, cats and man. 
Opisthorchis noverca Braun, 1902. 
Not found in foxes. Statements as to its occurrence are based on McConnell’s 
erroneous assumption that his specimens from man in India were identical 
with Cobbold’s Distomum conjunctum. 
Pseudamphistomum truncatum (Rud. 1819) Luehe, 1909. 
(Synonyms: Amphistoma truncatum Rud. 1819; Distomum conus Creplin, 
1825; Metorchis truncatus Looss, 1899.) 
In gall ducts of fox, dog, cat, seals, etc. 
NEMATODA. 
Ancylostoma caninum (Ercolani, 1859) Looss. 
(Synonyms: Strongylus trigonocephalus and S. tetragonocephalus Rud. 1808; 
Dochmius balsamoi Parona and Grassi, 1877; Uncinaria trigonocephala Raill. 
1885; Ankylostomum tubaeforme Linstow, 1885.) 
