| Primary References at the level
of this taxa |
| B78 |
Tibor Kassai |
| Veterinary Helminthology |
| B46 |
G M Urquhart, J
Armour, J L Duncan, A M Dunn, F W Jennings |
| Veterinary Parasitology:
Second Edition |
| B73 |
Eleanor Lawrence |
| Henderson's
Dictionary of Biological Terms, 11th Edition |
| B24 |
E J L Soulsby |
| Helminths, Arthropods
and Protozoa of Domesticated Animals: Seventh Edition |
| B80 |
Michael Allaby |
| Oxford Dictionary of
Zoology |
| B91 |
Malcolm
E McDonald |
| Catalogue of Helminths of
Waterfowl (Anatidae) |
| B91 |
Malcolm
E McDonald |
| Catalogue of Helminths of
Waterfowl (Anatidae) |
| B79 |
Lynn
Margulis and Karlene V Schwartz |
| Five
Kingdoms - An Illustrated Guide to the Phyla of Life on Earth, 3rd Edition |
