From Dog
Centrorhynchus isolated from the intestine of a paratenic host (snake)

Acanthocephala, or thorny-headed worms, are a unique phylum of parasitic worms unrelated to nematodes, cestodes or trematodes.

These worms have no mouth, or intestinal tract, but they do have an evertable proboscis lined with spines which is used to attach themselves to the lining of the intestine[1].

In dogs, there are only rare reports of acanthocephalans, such as Macracanthorhynchus hirudinaceus and Centrorhynchus buteonis, which primarily occur in the Asia-Pacific[2].

Species include:


  1. Schuster RK et al (2009) The parasite fauna of stray domestic cats (Felis catus) in Dubai, United Arab Emirates. Parasitol Res 105(1):125-134
  2. Amin OM et al (2008) New and already known acanthocephalans mostly from mammals in Vietnam, with descriptions of two new genera and species in Archiacanthocephala. J Parasitol 94(1):194-201