Giganthorhynchidae

Giganthorhynchidae
Gigantorhynchus ortizi
Scientific classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Acanthocephala
Class: Archiacanthocephala
Order: Gigantorhynchida
Southwell and Macfie, 1925
Family: Giganthorhynchidae
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.