Gigantorhynchida
| Gigantorhynchida | |
|---|---|
| Gigantorhynchus ortizi | |
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Acanthocephala |
| Class: | Archiacanthocephala |
| Order: | Gigantorhynchida Southwell and Macfie, 1925 |
| Family: | Gigantorhynchidae Hamann, 1892 |
Gigantorhynchida is an order containing a single family, Gigantorhynchidae of Acanthocephala (thorny-headed worms, also known as spiny-headed worms) that parasitize vertebrates by attaching themselves to the intestinal wall of their host. There are over 60 species classified into three genera in Gigantorhynchida: Gigantorhynchus, Intraproboscis, and Mediorhynchus.